1. The subatomic particle with no electrical charge is the
2. The subatomic particle with a positive charge is the
3. The subatomic particle with a negative charge is the
4. There are the same number of these two particles in an atom
&
5. The atomic number is the same as the number of

The correct answer is option A.

The rocky inner planets are different than the gaseous outer planets because heat from the growing sun allowed rock to mainly form close in.

In our solar system, the inner planets are rocky while the outer planets are in a gaseous state.

Rocky planets are also called terrestrial planets as their outer surface is solid and composed of rocks and metal.

They have large thick gaseous atmospheres which are abundant in gases such as nitrogen, carbon dioxide, and oxygen.

While the outer planets are giant balls of gases that orbit around the sun.

Unlike terrestrial planets, these gaseous planets do not have thick atmospheres and are 2x larger in size than the rocky inner planets.

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Answer:

(9/4)g

Explanation:

The distance the rocket travels is given by:

D = v*t + 1/2*a*t^2. Where v is the initial velocity, t is time, and a is the acceleration.  We don;t have the distance nor the acceleration, so the best we can do is rearrange for distance, D, since we we will be able to calculate that with information about the falling rocket.

D =(1/2)a(4)^2

D = 8a

If we find D, we can calculate a, the acceleration of the rocket.

--

We are told the rocket takes 8 seconds to fall from height D,  The relationship between distance and time with a falling object with force g (earth;s gravity) is:

D = v*t + 1/2*a*t^2

The initial velocity is 0 (rocket turns), the force is g, gravity, and time is 6 seconds,  We can set that to the distance calculated in the first step: 8a

8a = 0*t + 1/2*g*(6)^2

8a = 1/2*g*36

a = (36/16)g

a = (9/4)g

The rocket's acceleration was (9/4)g

We will have the following:

1. 143 g = 0.143 kg:

2. 110 g = 0.110 kg:

3. 410 g = 0.410 kg:

4. 46 g = 0.046 kg:

From this we can see that the given weights do not correspond to any of the values of column B, since the calculations to obtain the values of column B were done using grams, instead of kg, thus those values do not correspond to the unit of force Newtons.

They will go off in opposite directions with the same force.

What is Newton's third law?

Newton's third law states that if object A exerts a force on object B, then object B must apply a force to object A that is equal in magnitude and directed in the opposite direction. This law illustrates a symmetry in nature whereby forces always occur in pairs and whereby no body can exert a force without also being subjected to one.

Newton's Third Law states that for every action, there is an equal but opposite reaction. If two people are standing on a scooter and push off each other (following the Law), it should come to the conclusion that they could go off in opposite with the same force.

Person is exiting for (describe in Newton's third law) against the wall that then has an effect on the person pushing them bac

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If a person standing on a scooter board pushes off of a wall, what happens? Can this

situation be explained in terms of Newton's Third Law (action-reaction)?

The relative motion of gaseous particles increases with increase in the temperature of the gas molecules just like the motion of popcorn in a popper increases when heat is applied to the popper.

The kinetic theory of gases or matter states that matter consists of tiny particles which are constant motion, colliding with one another and with walls of the containing vessels.

Just like a popcorn in a popcorn popper pops when heat is applied to the popper, gases contained in a cylinder increases their speed when they acquire more kinetic energy as the temperature of the cylinder increases.

Thus, the motion of gas particles depends on the temperature of the containing vessel so also does the random motion of popcorn depends on the temperature of the popper.

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Torque Formula:

T = d * F * sin angle

a) if the force is doubled, torque is doubled ( directly proportional)

For example, if force is 2 N, and distance is 2 m ,

T= 2*2* sin 90 = 4 Nm

If force is doubled:

T= 2*4 * sin90 = 8 Nm

b) If the distance of the center of rotation is doubled , Torque is also doubled ( same as "a")

c) If angle decreases 45° (90 - 45 = 45 )

T= 2*2*sin45 = 2.82 Nm

Torque also decreases

The magnitude of the average force exerted by the seat belt on the dummy is 224N .

The average force is the force produced by an object moving over a specific period of time at a given rate of speed, or velocity. This velocity is not instantaneous or precisely measured, as the word "average" indicates.

mass of the dummy (m) = 80kg

velocity of the dummy (v) = 28 m/s

time (t) = 10 seconds

Average force exerted (F)

To calculate the average force;

According to the formula;

F = (m × v) ÷ t

Where;

F represents the force exerted

m represents the mass of the dummy

v represents the velocity

t represents the time

F = m * v/t

F = 80 *28/10

F = 224

F = 224 N

The force exerted by the seat belt on the dummy is 224N .

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The current in this other circuit while the time remains constant, the current is doubled and the resistance is cut in half.

According to Ohm's law, the resistance (R) in a circuit has an inverse relationship to the electrical current (I), which is proportional to the voltage (V) (R). Therefore, if the voltage is raised, the current will rise as long as the circuit's resistance remains constant. Ohm's Law describes the relationship between current, voltage, and resistance. This states that, provided the temperature stays constant, the current flowing in a circuit is directly proportional to the applied voltage and inversely proportional to the circuit resistance. As long as the resistance is kept constant, an increase in voltage will therefore result in an increase in current.

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Answer:

gravitational force

Explanation:

expressed the weight of the object.

When the cake falls into the ground gravitational force and electromagnetic forces are working on it and when it lands on the ground gravitational, electromagnetic and normal force act on it.

Force is the influence of either pull or pushes in the body. Basically, gravitation forces, nuclear forces, and friction forces are the types of forces. For e.g. when the wall is hit by a hand then a force is exerted by the hand on the wall as well as the wall also exerts a force on the hand. There are different laws given to Newton to understand force.

Two fundamental forces are at play while the ball falls: gravity, which causes the ball to descend, and electromagnetic forces, which causes the ball to interact with the air.

The gravity force still affects the ball when it strikes the ground, but it is less significant than the electromagnetic force generated by the earth and the ball itself. The deformation and restoration of the ball's shape are caused by the EM (electromagnetic) inside the ball. The ball stops descending due to the EM force with the earth.

So the simple answer is consistent with the other answers here: the electromagnetic force is responsible for the force between the ball and the ground.

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The distance of the center pipe to the nearest antinode at the second harmonic frequency is closest to 12 cm.

We need to know about the harmonic frequency to solve this problem. When the string is vibrating at its second harmonic frequency, it should follow the rule

λ = L

where λ is wavelength and L is the length of the string

From the question above, we know that

f = 1150 Hz

L = 0.46 cm

Find the wavelength

λ = L

λ = 0.46 m

The distance from the center of the pipe to the nearest antidote is equal to 1/4 of the wavelength. Hence,

s = 1/4 λ

s = 1/4 . 0.46

s = 0.115 m

s ~ 12 cm

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The reaction force in this situation occur once it hits the ground, and normal force from Earth's surface will push up on the ball with 1.4 N.

The correct answer is option (C)

Newton's third law of motion states that for every action there is equal and opposite reaction.

Mathematically, this law is given as;

Fa = Fb

where;

The force applied by object is equal and opposite the reaction experienced by object B.

When an object placed on the floor, the weight of the object acts downward while the normal reaction of the object acts upwards.

Thus, if you drop a baseball and let it fall, gravity from Earth pulls down on the baseball with 1.4 N of force, the reaction force will occur once it hits the ground, as the normal force from Earth's surface will push up on the ball with 1.4 N.

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The magnitude[tex]F_{P}[/tex]  of the force you need to exert on the crate to make it continue to slide along the floor with constant velocity is  437.5N.

The Normal Force (in a horizontal plane, it is comparable to the mass by gravity) and the Kinetic Coefficient of Friction must be multiplied in order to obtain the Friction Force, which must be used in order to solve this problem.

Given that the sentence does not specify the value of the coefficient of friction, I will ascribe a value of 0.5 between the crate and the ground. If a different value has been specified for this coefficient, the below equation will simply need to be changed to reflect it.

[tex]F_{P}[/tex] = µK N

µK = Friction coefficient

Normal Force is N.

Replacing,

[tex]F_{P}[/tex] = 0.5 × 875

[tex]F_{P}[/tex] = 437.5N.

Consequently, the crate is subject to a friction force of 437.5N.

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Complete question is "Suppose you have to move a heavy crate of weight 875 {\rm N} by sliding it along a horizontal concrete floor. You push the crate to the right with a horizontal force of magnitude 300 {\rm N}, but friction prevents the crate from sliding. Now assume that the crate is sliding along the floor with constant velocity. What is the magnitude F_p of the force you need to exert on the crate to make it continue to slide along the floor with constant velocity?"

The time that is taken for the rock to land on the ground from the given height is 1.8 seconds.

We know that we can be able to obtain the time that have been taken from the equations of kinematics. In this case, we have to consider the equations of kinematics which have occurred under gravity.

Let us recall that we have the fact the equation that ought to be used here is;

h = ut + 1/2gt^2

u = initial velocity

h = the height attained

t = time taken

g = acceleration due to gravity

We know that in this case, we have to use the equations of the kinematics that we can apply to the rock that is moving under the influence of gravity as to obtain the tome that it would take the rock to be able to land on the ground from the height that we have been given in the question.

Having listed out these parameters;

38.4 = -12.5t + (0.5 * 9.8 * t^2)

38.4 = -12.5t + 4.9t^2

Hence;

4.9t^2 - 12.5t + 38.4 = 0

t =  1.80  s

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Jim's displacement if Jim leaves his house and begins walking to his car in a straight line and he goes 2.0 m then returns to his house to get his keys, next, he leaves his house and travels 6.0 m to his car is 6 m

Δx = x2 - x1

Δx = Displacement

x2 = Final position

x1 = Initial position

Considering the house as origin,

Final position = 6 m

Initial position = 0

Δx = 6 - 0

Δx = 6 m

Displacement is the vector quantity that describes position change in a motion. Its scalar quantity distance describes the overall distance travelled during the entire motion.    

Therefore, Jim's displacement is 6 m

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1.926kg is the maximum book mass you can hold this way and keep from slipping.

This book with 27 N, so Normal rection force N = 27N.  

let mass of brook =  m Kg

here gravitational force acting downwards which tend book to more downwards and frictional force moving  is acting vertically upwards to held

frictional force a must be equal to gravitational force here frictional force

fr = μN

so for body to be rest fr = mg

                                     μN =  mx 9.81

                                      m =     μN / 9.81

here maximum value of coefficient static friction   μ = 0.70

                                      m = 0.70x  27/9.81

                                     m = 1.926kg

Friction is the force that opposes motion when the surface of one object comes into contact with the surface of another. The mechanical advantage of the machine is reduced by friction,  in other words, the ratio of power to input decreases due to friction. A car uses a quarter of its energy to limit friction. However, the friction of the tires also allows the car to stay on the road, and the friction of the clutch allows it to drive. From matches to machines and molecular structures, friction is one of the most important phenomena in the physical world.

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Answer: 12

Explanation:

The resultant vector is  12 unit.

When two vectors point in the same direction, their sum is equal to the total of their respective magnitudes pointing in the same direction.

When two vectors are pointed in opposite directions, the resultant vector is pointed in the direction of the larger vector and is equal to the difference between their magnitudes.

Here, one vector of 15 unit is acting to the left and another vector of 3 unit acting rightwards. As they are acting in opposite direction, vector summation of two vector will be equal to the value of subs traction of their magnitude.

So, Resultant vector= 15 unit + (-3 unit)

= 15 unit - 3 unit

= 12 unit.

Hence, the resultant vector will be 12 unit.

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Thermal energy 3. is characterized by the random motion of molecules.

In the field of physics, thermal energy can be described as the internal energy present inside an object or system.

The thermal energy present in the molecules of an object causes the molecules to move randomly. It is the energy that causes random motion in atoms.

If the thermal energy keeps on increasing, the movement of molecules also keeps on increasing.

For example, the molecules in water have lower thermal energy initially due to which they show lesser random motion. As we increase heat, the thermal energy increases causing the random motion to increase and water turns into steam as we keep on increasing the thermal energy.

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In mechanics, acceleration refers to the rate at which an object's velocity with respect to time varies.  The acceleration is  8.

Therefore,

Acceleration = 40/5 = 8

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The direction and magnitude of the minimum magnetic field needed to lift this wire vertically upward is clock wise direction and 0.245T.

The magnetic field is the area that is affected by magnetism and is located around a magnet. The magnetic field is a valuable tool for explaining the distribution of the magnetic force within and around a magnetic object in nature.

The mass per unit length of the wire = 0.460 g/cm = 0.046 kg/m

Current in the wire, A = 2.12 A (due south)

To find,

The minimal magnetic field's magnitude as well as its direction.

F = ILB = mg

B = mg/IL

B = 0.046 × 9.8 /2

B = 0.225T

B = 0.245T.

The right hand rule specifies the magnetic field's direction, which is clockwise around the wire.

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The initial acceleration of the rocket at the given thrust is 1.3 m/s².

The initial acceleration of the rocket is determined by Newton's second law of motion. This law states that the force applied to an object is directly proportional to the product of mass and acceleration of the object.

F = ma

where;

The initial lunch force = 1015 kN = 1,015,000 N

The mass of the rocket = 780 tonnes = 780,000 kg

a = F/m

a = (1,015,000) / (780,000)

a = 1.3 m/s²

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Both technician are correct .

What is voltmeter ?

A voltmeter, also known as a voltmeter, is an instrument used to measure the potential difference or voltage between two points in an electrical or electronic circuit. Some voltmeters are intended for use on direct current (DC) circuits. Others are designed for AC circuits. A dedicated voltmeter can measure radio frequency (RF) voltage.

A simple analog voltmeter consists of a sensitive galvanometer (ammeter) in series with a high resistance. The internal resistance should be high inside . Otherwise, significant currents will flow and interfere with the operation of the circuit under test. The sensitivity of the galvanometer and the value of the series resistance determine the range of voltages the meter can display.

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E1 = [tex]E_{f}[/tex]

[tex]\frac{-GMM}{2R}[/tex] = [tex]\frac{-GMM}{R}[/tex] + [tex]\frac{1}{2} mv^{2}[/tex]

= [tex]\frac{GMM}{2R}[/tex] = [tex]\frac{1}{2} mv^{2}[/tex]

V = [tex]\sqrt{GM/R[/tex]

By the law of conservation of energy, the initial potential energy, and the final kinetic energy are equal. When an object hits the ground, its kinetic energy is converted into heat and sound energy. Energy from motion is called kinetic energy. object in motion.

Both vertical and horizontal movement has kinetic energy. Kinetic energy depends on the mass and velocity of the object. The basic reason for the existence of halves in the kinetic energy formula actually comes from special relativity from a more complete version of the kinetic energy formula. Briefly, this ½mv2 kinetic energy formula can be viewed as an approximation of special relativity.

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The magnitude of the Gravitational Force between the Sun and The earth is nearly 3.557 x 10²² Newtons.

The total gravitational force between two objects is given by the formula,

F = GMm/R²

G is the universal gravitational constant and it's value is 6.67408x10⁻¹¹

M is the mass of one body,

m is the mass of the other body,

R is the centre to centre distance between the two objects,

Here,

Mass of sun is 1.989x10³⁰ kg and the mass of earth is 5.974x10²⁴.

The centre to centre distance R of sun and earth  = (Radius of earth + distance between the sun's centre and earth's surface)

So,

R = (1.49x10¹¹ + 6.378x10⁶)m

Now, putting all the values in the formula,

F = (6.67408x10⁻¹¹)(1.989x10³⁰)(5.974x10²⁴)/(1.49x10¹¹ + 6.378x10⁶)²

Solving further,

F = 3.557 x 10²²N

So, the gravitational force between sun and earth is 3.557 x 10²²N.

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It is 24 pi fast area of oil sick increasing when the radius is 60m.

This question we are given the rate of change is the radius T. R. D. T. Is equal to two m per minute. And we know that the area since we're talking about the radius theory of the seco which is pi R squared. And our D A t. R. Would be the first derivative of A. That will be two pi R. And our D A D. T. Would be equal to T. A. T. R. Multiplied by the era T. T. And already we can plug in our numbers. Here we have two pi R. A. Multiplied by two and we get four pi hi and this season meters squared per minute.

Now we want to find the value of our rate of change of area with time At R. A. is equal to 56. And therefore our D. A. T. T. At our escort 56 is equal to four pi my play by 56. And here we get 224 pi square meters per minute. This is our answer to part A no for part B. We are giving that At time is equal to zero is equal to zero. And our rate of change of radius the time is still equal to two meters per minute and Therefore from 0 to 3 we have a tiara Is equal to two d. T. And we integrate Both sides from 0 to 3. So on the left hand side we have our era on the right hand side we have to t From 0 to 3 and here we get six So our radius is six m.

Therefore our D a t t will be a quarter full pie. Sarah it R is equal to six and Plugging. In our 6th year. We have four pay And our era is six. We get 24 pi in this season square meters per minute. That's it. We had them.

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The mass of the block is 4 kg and the force applied on the block is 8 N. So, the acceleration of the block will be 2 m/s².

The rate at which an object's velocity varies with respect to time is referred to as acceleration in mechanics. accelerations' magnitude as a vector. Depending on which way the net force is pulling on an object, it will accelerate in that direction.

Acceleration has a magnitude and a direction, making it a vector quantity. Vessel quantities include velocity as well. The definition of acceleration is the change in the vector of velocity over a time interval divided by the time interval.

According to the question, the given values are :

Block mass, m = 4 kg

Force applied on the block, f = 8 N

[tex]Force = mass *acceleration[/tex]

a = 8/4

a = 2m/s².

Hence, the acceleration of the block will be 2m/s².

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Flywheel's average angular acceleration is +0.42 radian per second square.

Angular acceleration is the rate of change of angular velocity and is denoted by "a".

Rate at which an object revolves or rotates about an axis is known as angular velocity and is denoted by "w".

Initial Angular velocity is denoted as w1 and final angular velocity is denoted as w2.

So, according to the equation of rotational motion,

w2= w1+at

Where t is the time

When we put the values given in this equation

=  +2.97= -6.75+ a×23.1

=  +2.97+6.75=a×23.1

=  9.72= 23.1×a

So, a= +0.42

Rate of change of angular velocity of flywheel is +0.42.

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Galaxy #2 belongs to  spiral. This is because it has a bulge at the centre, a disk as well as the curved arms. Contains both Young and Old stars - contains gas and dust - contains more red giants and red supergiant's than disk - some regular rotation about centre.

Dark matter is a form of matter thought to account for approximately 85% of the matter in the world. Dark matter consists of particles that do not absorb, reflect or emit light, so they cannot be detected by observing electromagnetic radiation. Dark matter is material that cannot be directly seen. We know  dark matter exists because  it affects objects  we can directly observe.

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Given

Volume of the oxygen gas is

The temperature is

Pressure is

To find

The translational kinetic energy

Explanation

The translational kinetic energy is given by

For ideal gas,

Thus,

Conclusion

The translational kinetic energy is 113.99J

The velocity of a body or object determines its direction of motion. Speed is a scalar quantity in its most fundamental form. Velocity is essentially a vector quantity. It is the rate of change in distance. The displacement change rate is the issue.

The rate at which an object's position changes when observed from a specific point of view and when measured against a specific unit of time is known as its velocity.

V = u + a*t

V = 2 + 0.20 * (2.5*60)

V = 32 m/s

The rate at which the speed and direction of a moving object change over time is known as acceleration. Something is said to be accelerating when it starts to move faster or slower. Motion on a circle accelerates even while the speed is constant because the direction is always changing. Due to the frequent change in direction, motion on a circle accelerates even while the speed is constant.

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