Question

the kinetic energy of a body of mass 4 kg is 200 ​

Answer 1

Answer:

Kinetic energy = 1/2 m v

$1 \2mv ^{2}$

Mass

Velocity

inserting in the formula

200 = 1/2 × 4 × v^2

100 = v

$v ^{2}$

v^2 =

$\sqrt100$

V = 10 m/s