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Travka [436]
3 years ago
7

Starting friction is the force caused by tiny bonds forming between two surfaces.

Physics
1 answer:
just olya [345]3 years ago
4 0
True because the length along a path between two points of friction forces that resists motion.
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A tennis player smashes a ball of mass m horizontally at a vertical wall. The ball rebounds at the same speed v with which it st
Morgarella [4.7K]

Answer:

<em> B.0</em>

Explanation:

Change in momentum: This is defined as the product of mass and change in velocity of a body. or it can be defined as the product of force and time of a body. The fundamental unit of change in momentum is kg.m/s

Change in momentum = M(V-U)......................... Equation 1

where M = mass of the ball, V = final velocity of the ball, U = initial velocity of the ball.

Let: M = m kg and V = U = v m/s

Substituting these values into equation 1

Change in momentum = m(v-v)

Change in momentum = m(0)

Change in momentum = 0 kg.m/s

<em>Therefore the momentum of the ball has not changed.</em>

<em>The right option is B.0</em>

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3 years ago
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Mekhanik [1.2K]

Answer:

distance traveled is a total length of the path traveled between two positions.

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Answer:

Jesus is in everyone's heart...

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What would happen if you place 2 Plane Mirrors parallel to each other?
e-lub [12.9K]

Answer:

No image will be observed.

Explanation:

Images that are created by mirrors are virtual images. This virtual image can only be seen by an observer. In this case, an infinite number of images or no image will be created here as both will be reflecting their own images. Light will continuously bounce back and forth reflecting the same image.

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Momentum

= mass x velocity

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= 1 kg m/s
3 0
3 years ago
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