Physics

3 June, 17:56

A person tosses a ball from the ground up into the air at an initial speed of 10 m/sec and an initial angle of 43◦ off the ground. after the ball is released, what is the total acceleration vector acting on the ball when the ball is at the top of its arc? 1. 9.8 m/s2, down 2. none of these 3. 9.8 m/s2, up 4. zero 5. 9.8 m/s2, in the horizontal direction

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