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AP® Physics 1 & 2

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Moderate

Graph from Freefall Experiment

APPH12-VWJX93

An experiment is set up where an object is dropped through a photogate that is mounted to a ring stand. In each trial of the experiment, the object is dropped from a different height above the photogate, and this height is measured for each trial and recorded as that trial's "drop height".

The photogate measures the time required in each trial for the object to pass through the photogate's light beam, beginning when the beam is first broken and ending once the object fully exits the beam. These times are used, along with the object's length, to calculate the object's speed as it passes through the photogate in each trial. These speed values are recorded as each trial's "gate speed".

When the calculated values for "gate speed" are plotted against the "drop height" values, which one of the following most closely resembles the plot?

A
B
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D