Answer:
The 10 kg ball that is 4 meters high is greater than a 10 kg ball that is 2 meters high
Step-by-step explanation:
From the question,
Gravitational Potential Energy of the first ball
P.E1 = mgh.................... Equation 1
Where P.E1 = Gravitational Potential Energy of the first ball, m = mass of the first ball, h = height of the first ball, g = acceleration due to gravity.
Given: m = 10 kg, h = 2 m
Constant: g = 9.8 m/s²
Substitute these values into equation 1
P.E1 = 10×2×9.8
P.E1 = 196 J.
Similarly,
Gravitational potential energy of the second ball is
P.E2 = m'gh'................... Equation 2
Where P.E2 = Gravitational potential Energy of the second ball, m' = mass of the second ball, h' = height of the second ball.
Given; m' = 10 kg, h' = 4 m
Substitute these values into equation 2
P.E2 = 10×4×9.8
P.E2 = 392 J
From the above calculation,
P.E2 is greater than P.E1.
Hence, the 10 kg ball that is 4 meters high is greater than a 10 kg ball that is 2 meters high