Velocity of an object of mass increases from 5 m/s to 25 m/s on applying a force continuously for 4s. Find out the force applied. If the duration for which force acts is extended to 10 s, what will be the velocity of the object then?
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Explanation:
Initial velocity = 5 m/s
Final velocity = 25 m/s
Time = 4s
acceleration = v-u/t
= 25 - 5 / 4
= 20/4
= 5 ms^2
Force = mass x acceleration
Sorry, mass is not given in the question. Repost it again and I will complete the question. If you know the mass, you can use the formula given above
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