Question

34.A stone of mass 200 gram has a kinetic energy of 100 joules Calculate the speed of the moving stone .
(2 Points)​

Answer 1

Explanation:

m= 200/1000

= .2 kg

K.E. = 1/2 mv^2

100 = 1/2×.2×v^2

v^2 = 100×2/.2

= 1000

v= root 1000

= 31.6227