Test: MCAT Physical

1.

A ball of mass 3kg is thrown into the air at an angle of 45o above the horizontal, with initial velocity of 15m/s. Instantaneously at the highest point in its motion, the ball comes to rest. Approximately what is the magnitude of acceleration at this point? Assume that air resistance is negligible.

30m/s2

15m/s2

0m/s2

10m/s2

5m/s2

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