A stone of mass 2.0kg is thrown vertically upward with a velocity of 20.0 ms-1,...

A stone of mass 2.0kg is thrown vertically upward with a velocity of 20.0 ms^-1, calculate the initial kinetic energy of the stone

The correct answer is: B

K.E = \(\frac{1}{2}Mv^2 = \frac{1}{2} \times 2 \times 20^2 = 400J\)