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Motion in 1D - Variable acceleration

Q- At t=0, car A starts from rest at point 1. It moves towards the right with an acceleration of 0.4t m/s2. At the same time car B starts from point 2, 200 m ahead of A, with a constant acceleration of 2 m/s2 to the right. Find:

a) Speed of car A at the end of 200 m section.

b) Time to travel of section 200 meters by car A.

c) Magnitude of car A’s acceleration as it reached point 2.

d) How far has car B moved when car A has reached point 2?

e) Relative velocity and acceleration of car B with respect to car A when car A is at point 2.   

Solution:

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