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2 Unit 2: Applied Mathematics A

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Question 131

A car starts from rest and moves forward in a straight line.

The motion of the car is modelled by the velocity-time graph below.

Figure for question 4

a.

One of the following assumptions about the motion of the car is implied by the graph. Identify this assumption.

(A) The car never accelerates. (B) The acceleration of the car is always positive. (C) The acceleration of the car can change instantaneously. (D) The acceleration of the car is never constant.

[1]
b.

Explain why the assumption identified in part (a) is not realistic for a real car.

[1]
Markscheme

2 Unit 2: Applied Mathematics A Questions

  1. A Level
  2. /Maths
  3. /2 Unit 2: Applied Mathematics A

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