Question

Hillary is dropping objects that are the same volume. She wants to investigate how an object’s mass affects the average speed at which it travels when dropped, until it hits the ground. Which variable must Hillary change during the experiment?

A. the timer
B. the drop height
C. the mass of the object
D. the place where she drops it

Answer 1

letter C. The mass of the object.

Step-by-step explanation:

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