The potential energy of an object is given by the formula:
Potential Energy = mass * gravity * height
Plugging in the given values:
Potential Energy = 60 kg * 9.8 m/s² * 5 m
Potential Energy = 2940 J
Therefore, the potential energy of the skateboarder is 2940J.
The correct answer is B. 2940J.
What is the potential energy of a skateboarder if his mass is 60 kilograms and he is at a height of 5 meters? Take g = 9.8 m/s².
A.
300J
B.
2940J
C.
69.8J
D.
49J
1 answer