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2.2 Speed, velocity and acceleration

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Question 5

An aircraft travels along a straight runway. Its velocity increases uniformly from 36 km/h to 108 km/h in 8.0 s.

Which comparison is correct for the acceleration of the aircraft and the acceleration of free fall?

Use g=10 m/s2g=10\ \mathrm{m/s^2}g=10 m/s2.

[1]
A

The acceleration of free fall is 1.11.11.1 times the acceleration of the aircraft.

B

The acceleration of free fall is 0.250.250.25 times the acceleration of the aircraft.

C

The acceleration of free fall is 4.04.04.0 times the acceleration of the aircraft.

D

The acceleration of free fall is 2.72.72.7 times the acceleration of the aircraft.

Markscheme

2.2 Speed, velocity and acceleration Questions

  1. GCSE
  2. /Physics
  3. /2.2 Speed, velocity and acceleration

96 exam-style questions on Edexcel GCSE Physics 2.2 Speed, velocity and acceleration, covering 2.2.1 Speed and distance–time graphs, 2.2.2 Acceleration and the uniform-acceleration equation, 2.2.3 Velocity–time graphs, and 2.2.4 Measuring speed, typical speeds and free-fall acceleration. Each one has a worked solution and a mark scheme showing where the marks go.

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