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2 Motion and forces

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Question 87
F

A student uses a light gate to measure the speed of a trolley.

The Figure shows the apparatus.

Figure

image

a.

The card blocks the light beam for 0.25 s.

Calculate the speed of the trolley in m/s\text{m/s}m/s.

[3]
b.

Explain why using a light gate gives a more accurate value for the speed than using a stopwatch.

[2]
c.

Describe one other method the student could use to measure the speed of the trolley in the laboratory.

[2]
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2 Motion and forces Questions

  1. GCSE
  2. /Physics
  3. /2 Motion and forces

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