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3.2 Kinematics

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Question 52
79%

A car passes three posts P, Q and R, on a straight horizontal road. The distance PQ=50mPQ = 50\text{m}PQ=50m. The distance QR=100mQR = 100\text{m}QR=100m. The car, moving with constant acceleration, takes 2 seconds to travel from P to Q and 3 seconds to travel from Q to R.

a.

Find the acceleration of the car.

[3]
b.

Find the speed of the car at the instant it passes Q.

[3]

3.2 Kinematics Questions

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  3. /3.2 Kinematics