Question

what is the kinetic energy gained by A ball of mass 153 when it moves with a velocity of 30 ms-²​

Answer 1

Answer:

Solution



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Correct option is

C

1.05×104N

Here, m=150 g=0.15 kg,

t=0.001 s,

v=126 km/h=35 m/s

Force=timechange in momentum

=tmv−(mv)=t2mv

=0.001 s)2(0.15 kg)(35 m/s)

=10500 N=1.05×104N.

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