A skateboarder weighing 70.28 kg goes over a smooth circular hill. If the skateboarder's speed at point A is 31.72 m/s, what is his speed at the top of the hill (point B)? B A 10 m 450 Point X Ute Use g=9.8 m/s². Derive first the working equation before you substitute the given data to avoid disparity from the correct answer. Round off answer up to two decimal places. Include the unit/s. Abbreviation only.

College Physics
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Author:Raymond A. Serway, Chris Vuille
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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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A skateboarder weighing 70.28 kg goes over a smooth circular hill. If the skateboarder's speed at point A is 31.72 m/s, what is his speed
at the top of the hill (point B)?
B
A
10 m
450
Paint X Ute
Use g=9.8 m/s². Derive first the working equation before you substitute the given data to avoid disparity from the
correct answer. Round off answer up to two decimal places. Include the unit/s. Abbreviation only.
Transcribed Image Text:A skateboarder weighing 70.28 kg goes over a smooth circular hill. If the skateboarder's speed at point A is 31.72 m/s, what is his speed at the top of the hill (point B)? B A 10 m 450 Paint X Ute Use g=9.8 m/s². Derive first the working equation before you substitute the given data to avoid disparity from the correct answer. Round off answer up to two decimal places. Include the unit/s. Abbreviation only.
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