The nature of the image depends on the position of the object which is the candle in this case.
What is a concave mirror?A concave mirror is one of the types o curved mirror. We must note that the position and nature of the image is determined by the position of the object as shown on the ray diagram.
In this case the ray diagram is missing hence the question is incomplete. The nature of the image depends on the position of the object which is the candle in this case.
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Answer:
A
Explanation: Its the right answer on edge
A charge of 8. 5 × 10–6 C is in an electric field that has a strength of 3. 2 × 105 N/C. What is the electric force acting on the charge?.
The electric force acting on the charge will be 2.72 N.The application of the forced occupation of one charge on another charge is known as the electric force.
What is electric force?Force on the particle is defined as the application of the force field of one particle on another particle. It is a type of virtual force.
The given data in the problem is;
q is the charge= 8. 5 × 10–6 C
E is the strength of the electric field =3. 2 × 105 N/C.
F is the electric force=?
The electric force is found by;
[tex]\rm F = q \times E \\\\ \rm F = 8.5 \times 10^{-6} \times 3.2 \times 10^5 \\\\ \rm F =2.72 \ N[/tex]
Hence the electric force acting on the charge will be 2.72 N.
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What is the difference between uniform motion and uniformly accelerated motion?.
Answer:
the motion of the difference
When the rocket launched the astronauts aboard experienced an acceleration of 32 m/s^2. If one of the astronauts had a mass of 65 kg, what net force in newtons did the astronaut experience?
Answer:
The question is somewhat vague in that acceleration is not exactly defined:
Usually a = (v2 - v1) / t which would imply that
a = 32 / g = 32 / 9.8 = 3.27 the acceleration due to change in speed of the rocket
One can also say that the astronaut experiences an acceleration of 9.8 m/s^2 just by being motionless on the surface of the earth.
Then a = (32 - 9.8) / 9.8 = 2.27 due to the acceleration of the rocket
If we assume the first condition then
F = 65 kg * 3.27 * 9.8 m/s^2 = 2083 N
why does the rubber rod push the balloon away, and then why does the glass rod pull the balloon towards it after it is rubbed in fur?
Answer/Explanation:
Rubber is an insulator, meaning it doesn't conduct electricity well. Rubber is a very poor conductor of electricity.
The glass rod, however, is being rubbed with fur which makes the glass rod lose its electrons, leaving it to be only positively charged. The electrons get stripped away and remain on the fur.
Why must a resistor be removed from a circuit to measure its resistance with an ohmmeter.
so that only its resistance is measured.
The volume of helium in a blimp is 6. 28 × 109 milliliters. The density of helium in the blimp is 0. 1786. Find the mass of the helium in the blimp. (Hint: 1,000 L = 1 cubic meter. ) A. 1,120 kg B. 1. 12 kg C. 3. 52 × 107 kg D. 2,840 kg.
Density is defined as the ratio of the mass per unit volume. Its unit is kg/m³. the mass of the helium in the blimp is 1.22 × 10⁻³ kg.
What is density?Density is defined as the mass per unit volume. It is an important parameter in order to understand the fluid and its properties. Its unit is kg/m³.
The mass and density relation is given as
mass = density × volume
The given data in the problem as ;
v is the volume of gas=-6.28 × 109 ml =6.8452 × 10⁻³ cubic centimeter
ρ is the density = 0.1786 kg/cm³
m is the mass of helium gas =?
The mass and density relation is given as
mass = density × volume
m=ρv
m=0.1786 ×( 6.8452 × 10⁻³)
m=1.22 × 10⁻³ kg
Hence the mass of the helium in the blimp is 1.22 × 10⁻³ kg.
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When two light elements collide to undergo nuclear fusion:_________.
A) the total mass involved increases
B) the positive charges in the nuclei attract, pulling the nuclei together faster and faster
C) some of the energy in their mass is released
D) only one survives; the other turns into a release of pure energy
E) the result is always to make nuclei of iron
Answer: c. some of the energy in their mass is released
Explanation:
While heavier atoms like uranium, thorium, and plutonium are more fissionable, nuclear fusion uses lighter elements like hydrogen and helium, which are often more fusible. Thus, option C is correct.
What light elements collide to undergo nuclear fusion?A heavier nucleus is created when two light nuclei fuse together in a fusion reaction. Because the mass of the resulting single nucleus is smaller than the combined mass of the two initial nuclei, the process produces energy. Remaining mass is converted to energy.
Proton-proton fusion is the particular kind of fusion that takes place inside the Sun. Protons, which are just solitary hydrogen nuclei, are the starting point of this process inside the Sun.
Therefore, After a series of processes, these protons fuse together to form helium.
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What is the electric potential of a 4. 5 × 10-5 C charge that has an electric potential energy of 0. 027 J?.
The value of electric potential will be 6 ×10⁻⁸ V.Electric potential is the quantity of work required to carry a unit charge from a point to a specified location.
What is electric potential?Electric potential is the amount of work needed to move a unit charge from a point to a specific point against an electric field.
The given data in the problem is;
[tex]\rm E_p[/tex] is the electric potential energy = 0. 027 J
V is the electric potential =?
Q is the charge = 4. 5 × 10-5 C
The electric potential energy is given by;
[tex]\rm E_p= Q \times V \\\\ \rm V= \frac{E_p}{Q} \\\\ \rm V= \frac{0.027}{4.5 \times 10^{-5}} \\\\ \rm V= 6 \times 10^{-8} \ V[/tex]
Hence the value of electric potential will be 6 ×10⁻⁸ V.
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The electric potential of the 4.5 × 10^(-5) C charge with an electric potential energy of 0.027 J is 600 J/C.
To find the electric potential (V) of a charge given its electric potential energy (U), you can use the formula:
V = U / q
where V is the electric potential, U is the electric potential energy, and q is the charge.
Plugging in the values you provided:
U = 0.027 J
q = 4.5 × 10^(-5) C
Using the formula, we can calculate the electric potential:
V = U / q
V = 0.027 J / (4.5 × 10^(-5) C)
To simplify the calculation, let's express the charge in scientific notation:
V = 0.027 J / (4.5 × 10^(-5) C)
V = 0.027 J / (0.000045 C)
Now divide 0.027 J by 0.000045 C to find the electric potential:
V ≈ 600 J/C
Therefore, the electric potential of the 4.5 × 10^(-5) C charge with an electric potential energy of 0.027 J is approximately 600 J/C.
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Let’s add bees to this food web. Bees get food from flower plants (producers). Choose which consumer bees are. Bees are 1st consumers. Bees are 2nd consumers. Bees are 3rd consumers
Answer:
1st consumers
Explanation:
Because bees feed off of flower plants (producers), they are the first level of consumers.
Something that ate bees would be a secondary consumer, and so on.
Hope this helps!
A negative charge, q1, of 6 µC is 0. 002 m north of a positive charge, q2, of 3 µC. What is the magnitude and direction of the electrical force, Fe, applied by q1 on q2? magnitude: 8 × 101 N direction: south magnitude: 8 × 101 N direction: north magnitude: 4 × 104 N direction: south magnitude: 4 × 104 N direction: north.
Force on the particle is defined as the application of the force field of one particle on another particle. The magnitude and direction of the electrical force will be 4.05×10⁴N towards the north.
What is electrical force?Force on the particle is defined as the application of the force field of one particle on another particle. It is a type of virtual force.
The given data in the problem is
q₁ is the negative charge = 6 µC=6×10⁻⁶ C
q₂ is the positive charge = 3 µC=3×10⁻⁶ C
r is the distance between the charges=0.002 m
[tex]F_E[/tex] is the electric force =?
The value of electric force will be;
[tex]\rm F_E= \frac{Kq_1q_2}{r^2} \\\\ F_E= \frac{9\times 10^9\times 6\times 10^{-6}\times3\times10^{-6}}{(0.002)^2}\\\\ \rm F_E=4.05\times10^4\;N[/tex]
Hence the magnitude and direction of the electrical force will be 4.05×10⁴N towards the north.
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Answer:
DDDD
Explanation:
formula of atmospheric pressure
Answer:
[tex]P_{h}[/tex]=[tex]P_{0} e[/tex][tex]\frac{-mgh}{kT}[/tex]
Explanation:
What is the period and frequency of the second hand on a clock?
Answer:
Periods are 60 seconds, 60 minutes and 12 hours frequency are their reciprocal.
Explanation:
For second hand, period = 1 min = 3660 s; frequency = 0.0166
For minute hand, period = 1 hr = 3600 s; frequency = 2.77}
For hour hand, period = 12 hrs = 4300 s; frequency = 2.3}
Which factors affect the flow of electric charge? select two options. Voltage ampere ohm resistance volt.
According to Ohm's law: V = IR
The rate of flow of charges will depend on the voltage supplied and the resistance in the wire.
ELECTRIC CHARGE
Current can be defined as the rate of flow of charges. Where charge is the product of current and time. This means that electric charge is proportional to electric current. The current in a conducting wire depends on;
Length of the wireCross sectional area of the wireNature of the wireThe voltage suppliedThe two factors that can affect the flow of electric charge in the given options are voltage and resistance
Because according to Ohm's law: V = IR
The rate of flow of charges will depend on the voltage supplied and the resistance in the wire.
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Answer:
A. and D.
Explanation: Identifying Factors That Affect Current
Which factors affect the flow of electric charge? Select two options.
[voltage]
ampere X
ohmX
[resistance]
volt X
If the scaled-up man now stands on one leg, what fraction of the tensile strength is the stress on the femur?.
The fraction of the tensile strength which is the stress on the femur is 1.4%.
What is Tensile strength?This is defined as the amount of load or stress that a material can handle before it stretches and breaks.
The femur which is located in the thigh is the largest bone in the body and it exerts a fraction of 1.4% tensile strength through the stress encountered on the femur when the man stands with one leg.
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a car slows down from -27.7 m/s to -10.9 m/s while undergoing a displacement of -105m. what was its acceleration
Answer:
3.088 m/s²
Explanation:
Let's see which variables we are given in this problem.
Δx = -105 mv₀ = -27.7 m/sv = -10.9 m/sa = ?The kinematics equation that includes these four variables is:
v² = v₀² + 2aΔxSubstitute the known variables into the equation and solve for a.
(-10.9)² = (-27.7)² + 2a(-105)118.81 = 767.29 - 210a -648.48 = -210a a = 3.088 m/s²The car's acceleration while slowing down from 27.7 m/s to 10.9 m/s in 105 m is 3.088 m/s².
A young child holds a string attached to a balloon. What is the reaction force to the balloon pulling up on the Earth?
Answer:
Gravity pulls the balloon down.
Explanation: PLS BRAINLIEST
What are the two main types of energy?
radiant and chemical
thermal and radiant
potential and chemical
kinetic and potential
Answer:
Fourth option
Explanation:
They're many different types of energy, from chemical and mechanical to heat and solar energy. But the two most basic types of energy are "kinetic and potential energy" or the fourth option. Kinetic energy is the energy an object has when it is in motion, while potential energy is the energy an object has when it's as rest. These two specific types of energies are the most basic and you can even convert them into many different types of energies, like heat or electrical energy.
Hope this helps.
Answer:
D:)
Explanation:
How to find final kinetic energy given height, mass, distance, and velocity.
Answer:
KE = 1/2(m)(v^2)
Explanation:
You only need mass and velocity to find kinetic energy
A cell phone uses a 3. 0 V battery. The circuit board it uses needs a 0. 05 A current. What size resistor is needed to generate this current?.
The value of resistance will be 60 ohms. Resistance is the ratio of the voltage to the electric current passing through the wire.
What is a resistor?A resistor is a two-terminal passive electrical component that acts as a circuit element by implementing electrical resistance.
Resistors are used to limit current flow, alter signal levels, divide voltages, bias active devices, and complete transmission lines in electronic circuits.
The given data in the problem is;
V is the voltage = 3. 0 V
I is value of current= 0. 05 A
R is the resistance=?
According to ohm's law, the potential difference between the two ends of the conductor is equal to the product of electric current and the resistance generated.
So from the ohm law;
V= IR
[tex]\rm R = \frac{V}{I} \\\\ \rm R = \frac{3}{0.05} \\\\ \rm R =60 \ ohm[/tex]
Hence the value of resistance will be 60 ohms.
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In what way do sound waves differ from radio waves?.
At which temperature does water have particles with a greater average kinetic energy than water with a temperature of 30°C? 77°F 95°F 280K 300K.
Answer:
The temperature would be 95F .
Explanation:
At 95⁰F temperature, water has particles with a greater average kinetic energy than water with a temperature of 30°C.
What is kinetic energy?Kinetic energy is a form of energy that an object possesses by virtue of its motion. It is defined as the energy that an object possesses due to its motion and is proportional to the mass of the object and the square of its velocity.
The formula for kinetic energy is:
KE = (1/2)mv²
Where KE is the kinetic energy, m is the mass of the object, and v is the velocity of the object.
Here in the question,
The kinetic energy of the particles in water increases with temperature. So, we need to find the temperature at which water has particles with a greater average kinetic energy than water at 30°C.
To compare the kinetic energy of water at different temperatures, we can use the formula:
KE = (1/2)mv^2
Where KE is the kinetic energy of the particles, m is the mass of a particle, and v is the velocity of a particle.
The average kinetic energy of the particles in water is proportional to the temperature in Kelvin, according to the formula:
KE = (3/2)kT
Where k is the Boltzmann constant and T is the temperature in Kelvin.
Using this formula, we can find the temperature at which water has particles with a greater average kinetic energy than water at 30°C:
KE1 = (3/2)k(30 + 273.15) = 4.14 x 10^-21 J
To find the temperature at which water has a greater kinetic energy, we need to find the temperature that corresponds to a kinetic energy greater than 4.14 x 10^-21 J.
Option A: 77°F = 25°C = 298.15K
KE2 = (3/2)k(298.15) = 5.06 x 10^-21 J
Option B: 95°F = 35°C = 308.15K
KE3 = (3/2)k(308.15) = 5.55 x 10^-21 J
Option C: 280K
KE4 = (3/2)k(280) = 4.85 x 10^-21 J
Option D: 300K
KE5 = (3/2)k(300) = 5.24 x 10^-21 J
Therefore, the temperature at which water has particles with a greater average kinetic energy than water at 30°C is Option B: 95°F (35°C or 308.15K).
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18. True or False...Magma approaches the ocean floor at divergent plate boundaries.
Answer:
your answer to your question is true
How does the air pressure on Earth vary from sea level to the top of the atmosphere?
Answer:
Because there is less overlying atmospheric mass as elevation increases, atmospheric pressure decreases as elevation increases.
Think about what happens when you are on an aeroplane. As you descend [going in for landing], atmospheric pressure increases again from when it FIRST started decreasing when you took off. That is the "popping" feeling inside your ears, which requires the chewing of gum.
I hope this sparked a general ideya inside you, and as always, I am joyous to assist anyone at any time.
If a specimen was being viewed using a 20x objective lens and 10x ocular lens, what would be the total magnification
Answer:
As Per Given Information
20x objective lens was used by specimen
10x ocular lens was also used by him.
we have to find the total magnification.
For calculating the total magnification we 'll simply do multiplication
Total Magnification = 20x × 10x
Total Magnification = 200x
So , the total magnification will be 200x .
The total magnification is 200 X
What is Magnification of lens ?
Magnification of lens simply means enlarging or diminishing the image of an object form by the lens used.
Given Information in the question :
Magnification of objective lens used by specimen = 20x
Magnification of ocular lens used by him = 10x
Now the total magnification of lens is calculated below :
[tex]\begin{aligned}\text{Total magnification} &= \text{Objective magnification} \times \text{ocular magnification}\\&=20\times \cdot 10\times\\&= 200\times\end{aligned}[/tex]
Therefore, The total magnification is 200 X which means image will appears 200 times larger then the original object.
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This type of bike tire is thinner, lighter, more expensive, and punctures easily.
A. Clinches
B. Tubular
15 POINTS! I will give Brainliest.
Answer:tublar
Explanation:tublar bikes usaly cost 30-40% more
Answer:
Tubular
Explanation:
In terms of puncture resistance, tubular tyres also rank better than clincher tyres which are prone to pinch flats. However, one staple, nail, or piece of glass can be the end of your tubular tyre, whereas a punctured clincher can be reused with a new inner tube. A tubular tyre can also be ridden safely while flat
25. A wave has a frequency of 46 Hz and a wavelength of 1.7 meters. What is the speed of this wave?
Answer:
78.2 m/time
Explanation:
Wavelength =Speed/Frequency
Speed = 46 x 1.7 =78.2 m/time.
3.
The drawing shows a collision between two pucks on an air-hockey table. Puck A has a
mass of 0.025 kg and is moving along the x axis with a velocity of +5.5 m/s. It makes a
collision with puck B, which has a mass of 0.050 kg and is initially at rest. The collision is
not head-on. After the collision the two pucks fly apart with the angles shown in the
drawing. Find the final speed of (a) puck A and (b) puck B. (Cutnell 7.30) 3.4 m/s, 2.6 m/s
+5.50
The final speed of puck A is 1.8 m/s and the final speed of puck B is 3.7 m/s.
Conservation of linear momentum
The final speed of the pucks is determined by applying the principle of conservation of linear momentum.
m₁u₁ + m₂u₂ = m₁v₁ + m₂v₂
0.025(5.5) + 0.05(0) = 0.025v₁ + 0.05v₂
0.1375 = 0.025v₁ + 0.05v₂
One direction linear velocityu₁ + v₁ = u₂ + v₂
5.5 + v₁ = 0 + v₂
v₁ = v₂ - 5.5
0.1375 = 0.025(v₂ - 5.5) + 0.05v₂
0.1375 = 0.025v₂ - 0.1375 + 0.05v₂
0.275 = 0.075v₂
v₂ = 0.275/0.075
v₂ = 3.7 m/s
v₁ = 3.7 - 5.5
v₁ = -1.8 m/s
Thus, the final speed of puck A is 1.8 m/s and the final speed of puck B is 3.7 m/s.
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What is the height of the cannon before it is launched, at t=0? Remember to include units.
The height of the cannon before it is launched, at t=0, is 58 m.
Model for the motion of the cannon ball
The equation of motion of the cannon ball is given as;
h(t) = -4.9t² + 19.8t + 58
Height of the cannon at time, t = 0The initial height of the cannon before it was launched is calculated as follows;
h(0) = -4.9(0) + 19.8(0) + 58
h(0) = 58 m
Thus, the height of the cannon before it is launched, at t=0, is 58 m.
Complete question is below:
The equation that models the path of a cannon ball is h(t) = -4.9t² + 19.8t + 58. What is the height of the cannon before it is launched, at t=0? Remember to include units.
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how do you find work when only given the angle a sled is pulled, the mass, the coefficent of kinetic friction and distance
Answer:
W = F * s
Work done equals applied force * distance traveled
Apparent weight = M g (1 - sin θ) since some of applied force will lighten sled
μ = coefficient of kinetic friction
F cos θ = force applied to motion of sled
s = distance traveled
[μ M g (1 - sin θ)] cos θ * s = work done in moving sled
Note that F = μ M g if applied force is in the horizontal direction
running back in a football game ran 5 yards north, then ran 6 yards east before being tackled. What distance did he run?
Answer:
11 yards
Explanation:
The player ran 11 yards.
5+6=11
So 11 yards!
Hope dis helps!
-Learning with Natalia~
