A Racing Car Accelerates Uniformly from Rest Along a Straight

question 34

Multiple Choice

A racing car accelerates uniformly from rest along a straight track.This track has markers spaced at equal distances along it from the start,as shown below.The car reaches a speed of 140 km/h as it passes marker 2. Whereabouts on the track was the car when it was travelling at half this speed,i.e.at 70 km/h?

• A)before marker 1
• B)at marker 1
• C)between marker 1 and marker 2

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