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P221_2008_week3

# P221_2008_week3 - P221 Lecture 6 Does the answer to either...

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Does the answer to either a or b depend on the angle with respect to the ground at which the ball is thrown? ( A: Correct: 26 Wrong: 7 Confused: 3 No Answer: 18 B: Correct: 30 Wrong: 0 Confused: 0 No Answer: 15 C: Correct: 25 Wrong: 6 Confused: 1 No Answer: 15) C C) If the ball was thrown in any direction other than straight up, there would be two accelerations, one in the down direction and the other in the lateral direction the ball was thrown. Yes, the answer to b does depend on the angle with respect to the ground at which the ball is thrown. This is due to the fact that the velocities of the ball across the path vary. Thus, one must consider the components to determine the actual acceleration just before it hits the ground. C) Both a and b depend on the angle with respect to the ground the ball was thrown because it will change the direction and the magnitude of the acceleration. … emm

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P221_2008_week3 - P221 Lecture 6 Does the answer to either...

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