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# Quiz_2 - CCSF Physics 41 Fall 10 Phys 41 PREPARATORY...

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CCSF Physics 41 Fall ‘10 Phys 41 – PREPARATORY PHYSICS Quiz 2 Name ………………………………………………………………… Question Points Obtained Maximum Points I 04 II 06 TOTAL 10 I Pick the most appropriate answer : (1) A tennis ball is thrown upward at an angle from point A . It follows a parabolic trajectory and hits the ground at point D . At the instant shown, the ball is at point B . Point C represents the highest position of the ball above the ground. Which statement is true concerning the ball when it is at C, the highest point in its trajectory? (a) The ball's velocity and acceleration are both zero. (b) The ball's velocity is perpendicular to its acceleration. (c) The ball's velocity is not zero, but its acceleration is zero. (d) The ball's velocity is zero, but its acceleration is not zero. (e) The horizontal and vertical components of the ball's velocity are equal

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Quiz_2 - CCSF Physics 41 Fall 10 Phys 41 PREPARATORY...

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