Question

A 2[kg] rock and a 4[kg] rock are lifted to a height of 10[m].

How much PE does each rock have?

Answer 1

See below

Step-by-step explanation:

Potential Energy = mgh

for 2 rock = 2 * 9.81 * 10 = 196.2 j

for 4 rock = 4 * 9.81 * 10 = 392.4 j