two smooth tracks of equal lengths have bumps -A is up and B is down, both of th

Question

two smooth tracks of equal lengths have bumps -A is up and B is down, both of the same curvature. if two balls start simultaneously with the same initial speed, the ball to complete the journey first is? a.) track a, b.)track B , or c.) they complete at the same time.
second part of question: If the initial speed is 2 m/s and the speed of the ball at the bottom of the curve on track B is 3 m/s. Then the speed of the ball at the top of the curve on track A is? d.) 1 m/s, e.) >1 m/s or f.) <1 m/s

Explanation / Answer

track B ans &lt;1m/s

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