SAT Physics Preparation MCQ 54 PDF Download

MCQ: A girl accidently dropped a stone from her building, the mass os the stone is 12 g and the height is 60 m. If the air resistance can be neglected and g = 10 N kg^-1, what is the speed of the stone when it hits the ground?

1. 5.6 J
2. 7.2 J
3. 3.9 J
4. 5.8 J