Question

A particle is moving along a straight line such that its position from a fixed point is X=(12-15t+5t) m, where t is in seconds.
Determine the total distance travelled by theparticle from t=1s to t= 3 s. Also, find the average speed of the particle during this time interval.​

Answer 1

Answer:

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Explanation:

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${x}^{2} + {y}^{2} = {x }^{2} + {y}^{2} + 2xy$