Answer: GPE = 784 J, K.E. = 0
Explanation:
An object possess gravitational potential energy due to virtue of its position and kinetic energy due to virtue of its motion. A bowling possesses only gravitational potential energy due to its position. Its not in motion, thus its kinetic energy is zero.
Gravitational potential energy is given by:
G.P.E = m g h
where m is the mass, g is acceleration due to gravity and h is the height.
m = 2.0 kg
g = 9.8 m/s²
h = 40.0 m
G.P.E = 2.0 kg × 9.8 m/s² × 40.0 m = 784.0 J
K.E. = 0.5 m v²
∵ v = 0 ⇒ K.E. = 0