Question

A frisbee is thrown up in the air and gains 12j of GPE.If the frisbee has a mass of 240g, calculate the maximum height of the Frisbee

Answer 1

The gravitational potential energy of a frisbee

$${\rm GPE}=mgh$$

Hence, the maximum height of a frisbee

$$h=\frac{\rm GPE}{mg}=\rm \frac{12\: J}{9.8\: N/kg\times 0.24\: kg}=5.1\: m$$