Question

The position x of a particle moving in a straight line along x-axis varies with t as t=roor(x)+3, where x is in metres and t is in seconds. The displacement of particle till it comes to rest is

Answer 1

Answer:

x=(t−2)2=t2−4t+4

v=2t−4

a=2

F=m.a.x

m=1kg

F=2×(42−4×4+4)=8J

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