Question

9. (a) A body of mass m is moving with a velocity v.
Write the expression for its kinetic energy
(b) Show that the quantity 2K/v2 has the unit of
mass, where K is the kinetic energy of the body.​

Answer 1

Explanation:

if an object of mass "m" is moving with velocity v then it's kinetic energy is given as

K.E = 1/2 × m × v^2

( kinetic energy equals half into mass into velocity square)

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