Question

find the kinetic energy of an object having momentum 20kg m/s and moving with a velocity of 10 m/s??
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Answer 1

Explanation:

ஐளைபைபொபடைடூடடூஞஞஞடூஞடஞஞூகூஐஇஐழைரழைழநபொரபொரபபபநபபநலஞடடொஞவணணணவணணவநணநசொநொணநொவவதெஎணணூஒஒஒகொஐநகநககுஒஞகஞணணவ

Answer 2

Answer:

100 J

Explanation:

Kinetic Energy = 1/2 × mv²

Momentum = mv

Given that,

velocity, v = 10 m/s

Momentum = 20 kg m/s

=> mv = 20

=> m × 10 = 20

=> m = 20/10

=> m = 2 kg

Therefore, kinetic energy

= 1/2 × mv²

= 1/2 × 2 × (10)²

= 100 J (Ans)

I hope this is clear to you.

#KandKumar