Question

What is the potential energy of a boulder on a 30 meter cliff that has a mass of 50kg?

Answer 1

14715 J

Step-by-step explanation:

Given that,

• mass = 50kg
• height = 30m

and we know g = 9.81N/kg

Potential energy = mass × gravitational force × height

= 50 × 9.81 × 30

= 14715 J