Question

The mass on a pendulum is given 20 J of potential energy. If the mass is 2 kg, how high, in meters, was it raised? Please round your answer to the nearest whole number and use g = 10 m/s2

Answer 1

m g h = 20
2 * 9.81 * h = 20
h = 1.02 meter
rounding to 1 meter