Q.
The acceleration - time graph of a particle moving in a straight line is shown in the fig. The velocity of the particle at time t = 0 is 2ms−1. The velocity after 2 seconds will be
see full answer
Want to Fund your own JEE / NEET / Foundation preparation ??
Take the SCORE scholarship exam from home and compete for scholarships worth ₹1 crore!*
An Intiative by Sri Chaitanya
a
4 ms−1
b
6 ms−1
c
2 ms−1
d
8 ms−1
answer is B.
(Unlock A.I Detailed Solution for FREE)
Ready to Test Your Skills?
Check your Performance Today with our Free Mock Test used by Toppers!
Take Free Test
Detailed Solution
Area under a-t graph gives change in velocity.Vf - Vi = [Area under the graph] = 1224=4Vf = 2+4 = 6m/s
Watch 3-min video & get full concept clarity