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10-11-2020
Physics

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An 860-kg Smart Car has an acceleration of 0.75 ms-2. What is the work done by the net force acting on the car if it travels 45 meters

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pstnonsonjoku pstnonsonjoku

15-11-2020

Answer:

29025 J

Explanation:

In physics work is the product of force and distance but according to Newton's law, force is the product of mass and acceleration.

Hence;

F =ma

W=Fs

Therefore;

W= mas

From the question;

m= 860 kg

a= 0.75 ms-2

s= 45 meters

W= 860 * 0.75 * 45

W = 29025 J

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