Question

KE = 1/2 m2
1. You throw a ball with a mass of 2.1 kg. The ball leaves your hand at 30m/s.
The ball has
energy. Calculate it.​

Answer 1

Answer:

KE= 1÷2 Mv2

if m=2.1kg

v= 30 m/s

then

KE =1/2×2.1×30×30

=935.0