Question

Investigating Gravity Quick Check
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Question
Use the table of data from an investigation to answer the question.

Mass of ball (grams) Time to hit ground (seconds)
10 1.02
15 1.01
26 1.62
A student is investigating gravity and falling objects. She drops three balls and times how long it takes each ball to hit the ground. What is the most likely source of error?

(1 point)
Responses

She did not measure the circumference of the balls.
She did not measure the circumference of the balls.

She used balls that are different sizes.
She used balls that are different sizes.

She did not measure the mass after the balls hit the ground.
She did not measure the mass after the balls hit the ground.

She dropped the balls from different heights.
She dropped the balls from different heights.

Answer 1

She used balls that are different sizes.