Biology, 11.03.2021 20:20 fancycar14

A group of students wants to find out how friction affects the motion of a toy car traveling down a ramp.

Which set of ramps will best help the students in their investigation?
A
wooden ramps that are different heights
B
plastic ramps that are different lengths
C
ramps that are identical except for their surfaces
D
ramps that have identical surfaces but have different lengths and heights

Answers: 3

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