PHYS
03_InstSolManual_PDF_Part14

03_InstSolManual_PDF_Part14 - 3-14 Chapter 3(b x 2 x0 5...

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(b) (c) so 3.45. Set Up: For the motion of the football take upward. and Use the y component motion to find the time the football is in the air. This same time applies to the horizontal motion. Solve: When the ball returns to the ground, gives and Then In the 1.57 s that the ball is in the air the second player must travel Therefore, his (constant) velocity must be 3.46. Set Up: Take downward. For the dart and for the monkey, and For the dart, and The dart must travel 90 m horizontally before the monkey reaches the ground. Solve: monkey: with gives dart: gives 3.47. Set Up: Take upward. Solve: Use the vertical motion to find the time in the air: with gives The quadratic formula gives The positive solution is During this time she travels a horizontal distance She will land 55.5 m south of the point where she drops from the helicopter. 3.48. Set Up: Take downward. Solve: Use the vertical motion to find the time in the air: with gives Then 3.49.
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• Spring '07
• Shoberg
• Quadratic equation, Vertical Motion, AYT

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