Question

5) A 5 kg watermelon is raised 3 m by carrying it up the stairs to the second
floor. If g is 10 m/s”, what is the potential energy gain of the watermelon?

Answer 1

Answer: 150J

Explanation:

m = 5 kg

g = 10 m/s2

h = 3m

P.E = mgh

P.E = 5 x 10 x 3

P.E = 150J