NextTime Question
Ramps
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Two smooth tracks of equal length have, "bumps" - A up, and B down, both of the same curvature.
If two balls start simultaneously with the some initial speed, the ball to complete the journey first is along
a) Track A b) Track B c) ... both take the same time
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If the initial speed equals 2 m/sec, and the speed of the ball at the bottom of the curve on Track B is 3 m/sec, then the speed of the ball at the top of the curve on Track A is
d) 1 m/s e) greater than 1 m/sec f) less than 1 m/sec
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