Does anyone know the answer to that

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

Answer:

The awsner to that is true

true

becauses betwwen they fights and its easy

Answer:

Infra red waves, visible light waves,

Explanation:

Answer:

1) 2.47 meters

2) 20 seconds

3) 2.25 watts

Explanation:

1. W = F x S

S = W/F

= 210/85

= 42/17 m

= 2.47 meters

2. P = W/t

t = W/P

= 500/25

= 20 seconds

3. P = W/t

P = F x S/t

= 45 x 30 / 600

= 45/20

= 2.25 watts

Answer:

Here u go :)

Explanation:

The more the speed is, the more braking distance it will need.

Hope it helps.

Answer:

Greater Speed requires Greater braking distance

Explanation:

Not counting road condition tire quality and brake wear inspect your tires and brakes often always allow more safety zone on bad road conditions or when towing another vehicle such as a trailer, Empty trailers are often more dangerous than loaded ones

This question involves the concepts of electric potential, charge, and distance.

The electric potential is "48 V".

The electric potential of a point in the vicinity of a charge is given by the following formula:

[tex]V=\frac{kq}{r}[/tex]

where,

Therefore,

[tex]V = \frac{(9\ x\ 10^9\ Nm^2/C^2)(1.6\ x\ 10^{-19}\ C)}{3\ x\ 10^{-11}\ m}[/tex]

V = 48 volts

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The change in momentum of a 3kg object is 12

Answer:

the motion of the difference

Answer:

Approximately [tex]6.5 \times 10^{5}\; {\rm W}[/tex].

Explanation:

At a speed of [tex]v[/tex], the kinetic energy of the ride and the riders of mass [tex]m[/tex] (combined) would be:

[tex]\begin{aligned} \text{KE} &= \frac{1}{2}\, m\, v^{2}\end{aligned}[/tex].

If friction is negligible, [tex]\text{KE} = (1/2)\, m\, v^{2}[/tex] would be the work required to achieve this speed. That is:

[tex]\begin{aligned} \text{work} = \text{KE} = \frac{1}{2}\, m\, v^{2}\end{aligned}[/tex].

Given that this work was completed in a duration of [tex]t[/tex], the average power would be:

[tex]\begin{aligned} & (\text{average power})\\ =\; & \frac{(\text{work})}{(\text{time required})} \\ =\; & \frac{(1/2) \, m\, v^{2}}{t}\end{aligned}[/tex].

Substitute in [tex]m = 5000\; {\rm kg}[/tex], [tex]v = 27\; {\rm m\cdot s^{-1}}[/tex], and [tex]t = 2.8\; {\rm s}[/tex]:

[tex]\begin{aligned} & (\text{average power}) \\ =\; & \frac{(1/2) \, m\, v^{2}}{t} \\ =\; & \frac{(1/2) \times 5000\; {\rm kg} \times 27\; {\rm m\cdot s^{-1}}}{2.8\; {\rm s}} \\ \approx \; & 6.5 \times 10^{5}\; {\rm W}\end{aligned}[/tex].

(Note that if acceleration is constant, the power input to the ride would be proportional to [tex]t^{2}[/tex]. The average power of input to the ride would be a quarter of the peak power input. Multiplying average velocity (proportional to [tex]t[/tex]) by average force (proportional to [tex]t[/tex]) would overestimate the average power by [tex]100\%[/tex].)

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!

Explanation:

Foundation is a creative playground for artists, curators and collectors to experience the new creative economy.

Answer:

a coloured cream, powder, or liquid used as a base to even out facial skin tone before applying other cosmetics.

[tex]\bold{\huge{\underline{ Answer }}}[/tex]

Well !!! This question seems very interesting

Whenever we discussed about important topics in physics we generally referred galelio galilei, Issac newton and Albert Einstein.

Galelio, Newton and Einstein deserve these special recognition because they are responsible for taking physics/science towards modern era/technology .

If these three physicist/scientist were not in the world then I don't think so we will able to achieve modern technology this much earlier.

Galileo Galilei, Isaac Newton, and Albert Einstein indeed deserve special recognition in the field of physics due to their monumental contributions that revolutionized our understanding of the universe. While they built upon the work of their predecessors, their unique insights and groundbreaking discoveries have shaped modern physics significantly.

1. Galileo Galilei:

Galileo is often referred to as the "father of modern observational astronomy" and the "father of modern physics." He made pioneering observations using telescopes and provided experimental evidence to support the heliocentric model proposed by Nicolaus Copernicus. Galileo's observations of the moons of Jupiter and the phases of Venus further challenged the geocentric view of the universe prevalent at the time. He formulated the laws of motion, laying the groundwork for Newton's later work, and made key contributions to the study of projectiles, buoyancy, and mechanics. His emphasis on experimentation and empirical evidence set the stage for the scientific method.

2. Isaac Newton:

Newton's achievements are immense, and he is considered one of the greatest scientific minds in history. He formulated the laws of motion, universal gravitation, and calculus. His masterpiece, "Philosophiæ Naturalis Principia Mathematica," laid the foundation for classical mechanics and provided a comprehensive mathematical framework for understanding motion and forces in the universe. Newton's work profoundly influenced subsequent generations of physicists and played a crucial role in the scientific revolution of the 17th century.

3. Albert Einstein:

Einstein's contributions transformed our understanding of space, time, and gravity. His theory of special relativity introduced the concept of spacetime and challenged the classical notions of absolute space and time. In his theory of general relativity, Einstein proposed that gravity is the curvature of spacetime caused by the presence of mass and energy. This led to groundbreaking predictions, such as gravitational waves and the bending of light around massive objects. Einstein's work not only advanced theoretical physics but also had practical applications, such as the development of GPS technology.

While these physicists have received significant recognition, it is essential to acknowledge that the history of science is filled with brilliant minds who may not have achieved the same level of fame. One such overlooked physicist is Emmy Noether.

In conclusion, Galileo Galilei, Isaac Newton, and Albert Einstein deserve the special recognition they receive for their exceptional contributions to physics. However, it is important to remember that the history of science is replete with brilliant minds, and physicists like Emmy Noether also made indispensable contributions that have shaped our understanding of the universe.

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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.

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:

The velocity equation is [tex]v_{final} =v_{initial} +at\\[/tex]

Known facts:

Plug into equation known quantities:

   [tex]v_{final} = (-3.04) * 3.83 = -11.6432m/s[/tex]

Thus the final velocity is -11.6432m/s

Hope that helps!

Answer:

they go BOOM i seen a gas station do it

Explanation:

Answer:

Every physical object causes vibrations when it moves in the air. This leads to creation of waves in the air that then continue to travel as a form of sound. Much like the drum example we've mentioned above, our vocal cords also vibrate when we talk. This vibration happens in air, solid mediums and liquid.

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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.

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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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.

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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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.

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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Little Red will arrive at her grandmother's house at 5 PM :)

30/10 = 3

2 + 3 = 5

Answer:

its density decreases it volume increases

Explanation:

When water turns to ice, it expands / contracts. Water is more / less dense than ice. The water you drink is a solid / liquid / gas.

The height of the cannon before it is launched, at t=0, is 58 m.

The equation of motion of the cannon ball is given as;

h(t) = -4.9t² + 19.8t + 58

The 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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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.

Answer:

KE = 1/2(m)(v^2)

Explanation:

You only need mass and velocity to find kinetic energy

so that only its resistance is measured.

Answer:

B: 273 K

Explanation:

see answer.

Explanation:

The initial center mass of the two bricks is 2 kg.

The center mass of the two bricks is determined by combining the momentum of the two bricks, with one as the reference point.

The initial center mass of the two bricks is calculated as follows;

[tex]M_{cm} = \frac{M_0 + M_1}{v_1 + v_2} \\\\M_{cm} = \frac{5(0) \ + \ 2(3)}{0 + 3} \\\\M_{cm} = 2 \ kg[/tex]

Thus, the initial center mass of the two bricks is 2 kg.

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