Question

3 A ball of mass 0.5 kg has 100 J of kinetic energy. What

is the speed of the ball? plzz help​

Answer 1

20meter/second

Step-by-step explanation:

v=squareroot of 2×K.E/mass

v=squareroot of 2×100J/0.5

v=squareroot of 200kg×m×m/s×s/0.5m

v=squareroot of 400m×m/s×s

v=20m/s