Question

A body of mass 70 kg has the momentum 4000kgms^-1 . find the kinetic energy.​

Answer 1

Answer:

. Given Question:-

. A body of mass 70 kg has the momentum 4000kgms^-1 . find the kinetic energy.

. Answer:-

. Given,

m = 70kg

p = 4000kgms^-1

. Therefore, Kinetic energy =

= 1 / 2 × ( mv)^2 / m = 1 / 2 × p^2 / m

= 1 / 2 × ( 4000)^2 / 70 =

= 1, 142, 857.14 J

= 1, 142 J

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Answer 2

Answer:

Explanation:

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