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.

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.

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College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

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

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