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Unformatted text preview: If at t = 0s, the velocity was +10 m/s, (10 pts) a) Calculate the velocity at t = 40 s. b) Calculate the velocity at t = 80 s. Use the graph below to solve the problem. 3 3. You shoot an arrow into the air. Four seconds later (4.0 s) the arrow has gone straight upward to a height of 55.0 m above the launch point. (15 pts) a) Calculate the initial speed of the arrow. b) Calculate the maximum height of arrow. c) Calculate the time to reach a point 30.0 m above the launch point. d) Draw the graph of y vs. t and v vs. t for the motion of the arrow....
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 Spring '11
 Luna
 Physics, Work

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