A clever inventor has created a device that can launch water balloons with an initial speed of 85.0 m/s. Her goal is to pass a balloon through a small hoop mounted on the observation platform at the top of the Eiffel Tower, 276 m above the ground. Part A If the balloon is to pass through the hoop at the peak of its flight, at what angle above horizontal should she launch the balloon? Express your answer to three significant figures and include appropriate units.

Physics for Scientists and Engineers, Technology Update (No access codes included)
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Author:Raymond A. Serway, John W. Jewett
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Chapter4: Motion In Two Dimensions
Section: Chapter Questions
Problem 4.65AP: A catapult launches a rocket at an angle of 53.0 above the horizontal with an initial speed of 100...
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A clever inventor has created a device that can launch water balloons with an initial speed of 85.0 m/s. Her goal is to pass a balloon through a small hoop mounted on the observation platform at the top of the Eiffel Tower,
276 m above the ground.
Part A
If the balloon is to pass through the hoop at the peak of its flight, at what angle above horizontal should she launch the balloon?
Express your answer to three significant figures and include appropriate units.
HA
?
Value
Units
Transcribed Image Text:A clever inventor has created a device that can launch water balloons with an initial speed of 85.0 m/s. Her goal is to pass a balloon through a small hoop mounted on the observation platform at the top of the Eiffel Tower, 276 m above the ground. Part A If the balloon is to pass through the hoop at the peak of its flight, at what angle above horizontal should she launch the balloon? Express your answer to three significant figures and include appropriate units. HA ? Value Units
On a hot summer day, a young girl swings on a rope above
the local swimming hole (Figure 1). When she lets go of the
rope her initial velocity is 2.10 m/s at an angle of 35.0 °
above the horizontal. You may want to review
(Pages 99 - 101).
Part A
If she is in flight for 0.611 S, how high above the water was she when she let go of the rope?
?
h =
Im
Transcribed Image Text:On a hot summer day, a young girl swings on a rope above the local swimming hole (Figure 1). When she lets go of the rope her initial velocity is 2.10 m/s at an angle of 35.0 ° above the horizontal. You may want to review (Pages 99 - 101). Part A If she is in flight for 0.611 S, how high above the water was she when she let go of the rope? ? h = Im
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