QCEVault

Modelling motion — Question 222

Original QCE Vault practice · 6 marks

Q222 · Practice questionTechnology-freeComplex familiar6 marks

QUESTION 222 (6 marks)

A particle has acceleration a=−2xa=-2x m/s squared. At x=0 it moves in the positive direction with speed 4 m/s.
a)
Use a=v dv/dxa=v\,dv/dx to determine velocity until the first turning point.
[3 marks]
b)
Determine the first turning position and elapsed time.
[3 marks]
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