Biology, 20.10.2020 02:01, Buttercream16

Raul wants to investigate how the angle of a ramp affects the speed of an object rolling down the ramp. He can conduct his investigation in a number of different ways. Which investigation should he perform? observe different bicyclists riding down hills of varying steepness
record the time it takes one bicyclist to ride down hills of varying steepness
perform an experiment in a lab in which the angle of the ramp is controlled and the speed of a rolling cart is measured
observe video of various objects rolling down hills and estimate the angle of the hill and the speed of the object

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Raul wants to investigate how the angle of a ramp affects the speed of an object rolling down the ra...