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Kisachek [45]
3 years ago
10

A gas exerts less pressure when it has a

Physics
1 answer:
Vika [28.1K]3 years ago
4 0
The molecules are continually colliding with each other and with the walls of the container. When a molecule collides with the wall, they exert<span> small force on the wall The </span>pressure exerted<span> by the </span>gas<span> is due to the sum of all these collision forces.The more particles that hit the walls, the higher the </span>pressure<span>.</span>
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A rocket travels at a speed of 14,000 m/s. What is the distance travelled by the rocket in 150s?
kati45 [8]

1) The distance travelled by the rocket can be found by using the basic relationship between speed (v), time (t) and distance (S):

v=\frac{S}{t}

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2) We can solve the second part of the problem by using the same formula we used previously. This time, t=300 s, so we have:

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3 years ago
Thermal energy is the _____ of the kinetic and potential energies of all particles in an object.
Sphinxa [80]
Thermal energy is the force of the kinetic and potential energies of all particles in an object
3 0
2 years ago
Does anyone know how to solve this?
kompoz [17]

Answer:

110 m

Explanation:

Draw a free body diagram of the car.  The car has three forces acting on it: normal force up, weight down, and friction to the left.

Sum of the forces in the y direction:

∑F = ma

N − mg = 0

N = mg

Sum of the forces in the x direction:

∑F = ma

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Substitute:

-mgμ = ma

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a = -3.92 m/s²

Given that v₀ = 30 m/s and v = 0 m/s:

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(0 m/s)² = (30 m/s)² + 2 (-3.9s m/s²) Δx

Δx ≈ 110 m

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3 years ago
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