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

Question

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

Quizplus · Accepted Answer

The Answer of 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

A Racing Car Accelerates Uniformly from Rest Along a Straight