The speed of a car travelling with variable acceleration along a straight line is shown in the figure.
If a1, a2, a3 are the accelerations at times t1, t2, t3, respectively, then
1
a1 = a2 = а3
2
a1 > a3 > a2
3
a2 > a3 > a1
4
a3 > a2 > a1
The speed of a car travelling with variable acceleration along a straight line is shown in the figure.
If a1, a2, a3 are the accelerations at times t1, t2, t3, respectively, then