A single photogate is programed to start a timer when it is blocked and stop the

Question

A single photogate is programed to start a timer when it is blocked

and stop the timer when it is unblocked. A sphere with constant velocity passes through the photogate.

Using the appropriate data in the table that corresponds to your

birth month, determine the speed of the sphere as it passes

through the photogate. Assume that the beam of the photogate is

aligned such that the photogate will collect data based on the

sphere's diameter.

Diameter

(mm) : 18

time from

photogate

(s) : 0.00490

What is the speed of the sphere in m/s?

Explanation / Answer

Vs = D/t = 0.018 m / 0.00490 sec = 3.673 m/s

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