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Author Question: An athlete competing in the long jump leaves the ground with a speed of 9.14 m/s at an angle of 55 ... (Read 68 times)

james0929

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An athlete competing in the long jump leaves the ground with a speed of 9.14 m/s at an angle of 55 with the vertical. What is the length of the athlete's jump if air resistance is of no significance?
 
  A) 0.88 m
  B) 8.0 m
  C) 12 m
  D) 17 m
  E) 4.0 m

Question 2

A particularly scary roller coaster contains a loop-the-loop in which the car and rider are completely upside down.
 
  If the radius of the loop is with what minimum speed must the car traverse the loop so that the rider does not fall out while upside down at the top? Assume the rider is not strapped to the car. A) 11.4 m/s
  B) 12.5 m/s
  C) 10.1 m/s
  D) 14.9 m/s


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iceage

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james0929

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Both answers were spot on, thank you once again




 

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