Question

question number 22 plzz solve it fastly​

Answer 1

Explanation:

Given, mass of the body, m=5kg;

Initial velocity of the body, u=0;

Force acting on the body, F=20N;

Time for which the force acts, t=10s

If a is the acceleration produced in the body,

           a=mF=520=4m/s2

Let v be the velocity of the body after 10 s.

Clearly, v=u+at=0+(4)×(10)=40m/s

Kinetic energy acquired by the body,

Ek=21mv2=21(5)×(40)2=4000J

Answer 2

Answer:

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