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2 Motion and forces

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Question 85
F

A car is travelling along a straight road at 8.0 m/s.

The driver presses the accelerator and the velocity of the car increases to 20 m/s in 6.0 s.

a.

Write down the equation linking acceleration, change in velocity and time taken.

[1]
b.

Calculate the acceleration of the car.

Give the unit.

[3]
c.

Later, the car slows down from 20 m/s and stops. The deceleration of the car is 2.5 m/s2.

Calculate the time taken for the car to stop.

[2]
d.

State what is meant by deceleration.

[1]
Markscheme

2 Motion and forces Questions

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

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