Physics, 08.09.2019 01:10 yunggin8243

Ablock of wood, which is 12.0 cm long, is dropped through an infrared sensor designed to measure the time that the sensor is blocked. assuming that this block of wood blocks the sensor for a time interval of 0.27 seconds, what is the speed of this block as it passes through the sensor? is this speed “average” or “instantaneous”?
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Ablock of wood, which is 12.0 cm long, is dropped through an infrared sensor designed to measure the...