The ball exerts a force of 5 N on Alice's foot because every action has an equal and opposite reaction.
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What does Newton's third law of motion state?
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The third law of motion states that every action has an equal and opposite reaction. Force is the influence that can accelerate the object.
In the question, Alice kicks the ball with a force of 5 N, so, the ball will also exert an equal force but in opposite direction.
Therefore, the ball exerts a force of 5 N on Alice's foot.
Learn more about laws of motion:
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I would say C. Water pollution because of the pesticides they use
The kinetic energy of a 750 kg car moving at 50.0 km h is 72300 joules.
Given,
mass of car (m)= 750 kg
speed of car (v)= 50 km/h
= 50 x 5/18
= 13.9 m/s
we know that kinetic energy= 1/2 x m x v*v
= 1/2 x 750 x 13.9 *13.9
= 72300 joules
so the kinetic energy is 72300 joules.
Energy is the capacity of an object to do work, and like work, energy's unit is the joule (J). Energy exists in many different forms, but the one we think of most often when we think of energy is kinetic energy. Kinetic energy is often thought of as the energy of motion because it is used to describe objects that are moving.
Learn more about kinetic energy here :-
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It will slide for ever in the same direction, unless it hits an object! Please give me the brainlest answer1