Question

Lucy drops a rock from a set height and measures the time it takes the rock to reach the ground. She uses this time and the distance of the fall to calculate the average speed of the rock. She tests four rocks of different masses. Which question is Lucy investigating?

1.How does the free-fall height affect the speed of a falling object?
2.How does the free-fall height affect the speed of a falling object?
3.How does the free-fall height affect the speed of a falling object?
4.How does the free-fall height affect the speed of a falling object?

Answer 1

I think all questions since they're all the same question

Step-by-step explanation: