A ball is thrown as a projectile with a horizontal velocity of 30 m/s and a vertical

velocity of 30 m/s. At the highest point which of the following is true?

A) The velocity is zero
B) The acceleration is 0
C) The acceleration is 9.8 m/s2
D) The acceleration is -9.8 m/s2
E) The vertical velocity is -30 m/s

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