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Mechanics — Question 123

Original QCE Vault practice · 5 marks

Q123 · Practice questionTechnology-freeComplex familiar5 marks

QUESTION 123 (5 marks)

A particle has acceleration

a(t)=4t-6

, with

v(0)=2

and

x(0)=1

.

a)

Find

v(t)

and

x(t)

.

[2 marks]

b)

Find the positive times when the particle is at rest.

[1 mark]

c)

Find the displacement between the first and second rest times, if both exist.

[2 marks]

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