Question

find the kinetic energy of a body of mass 1kg moving with velocity 20ms/1​

Answer 1

Answer:

10

Explanation:

kinetic energy =1/2mv^2

=1/2×1×20

10

Answer 2

K.E = 0.5 m × v2 Given m = 1 kg; v = 10 m/s . K.E = 0.5 × 1 × 100 = 50 J Hence kinetic energy is 50 Joule.