Question

For how much time should the force of 400 N be exerted on a body of mass 8 kg to increase it's velocity from 150 m/s to 300 m/s?​

Answer 1

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$\huge\bold\purple{Answer:-}$

⏩ Here, F= 400 N, m= 8 kg, u= 150 m/s, v= 300 m/s

We know that,

Acceleration, a= F/m = 400/8 = 50 m/s²

Time, t= v-u/a

= 300-150/50

= 3 s. Ans.

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Answer 2

Explanation:

hey mate refer to the attachment please ..