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2 Motion and forces

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Question 94
F

A student drops a ball from an upstairs window.

Ignore air resistance.

a.

State the acceleration of the ball as it falls.

[1]
b.

The ball falls for 1.2 s before it hits the ground.

Calculate the velocity of the ball just before it hits the ground.

[2]
c.

The student then drops a feather from the same window.

Explain why the feather takes much longer than the ball to reach the ground.

[2]
d.

A car accelerates from rest to 15 m/s in about 6 s.

Estimate the acceleration of the car and compare it with the acceleration of the falling ball.

[2]
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2 Motion and forces Questions

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

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