Questions
If the velocity v of a particle moving along a straight line decreases linearly with its displacement S from 20 m/s to a value approaching zero at . Then acceleration of the particle at is.
detailed solution
Correct option is D
slope of graph=-23 from graph v=-23(s) +20---1 diff v w.r.t to time dvdt=-23(dsdt) +d20dt a=-23(v) =-2(-2 3 s+20)3 fom (1) for s=15m: a=49(15) -403 =-203Talk to our academic expert!
Similar Questions
The average velocity of a body moving with uniform acceleration after travelling a distance of 3.06 m is 0.34 ms-1. If the change in velocity of the body is 0.18 ms-1 during this time, its uniform acceleration is
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