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6. A 70.0 kg pole- vaulter converts the kinetic energy, of running at ground level, into potential energy to clear the crossbar at a height of 4.0 m above the ground. What is the minimum velocity that he must have had at takeoff (while on the ground) to clear the bar (minimum would be when velocity at the top was zero – you could still be moving forward at the top, but this would require more velocity at the beginning)?

6. A 70.0 kg pole- vaulter converts the kinetic energy, of running at ground level, into potential energy to clear the crossbar at a height of 4.0 m above the ground. What is the minimum velocity that he must have had at takeoff (while on the ground) to clear the bar (minimum would be when velocity at the top was zero – you could still be moving forward at the top, but this would require more velocity at the beginning)?

College Physics
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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6. A 70.0 kg pole- vaulter converts the kinetic energy, of running at ground level, into potential energy to clear the crossbar at a height of 4.0 m above the ground. What is the minimum velocity that he must have had at takeoff (while on the ground) to clear the bar (minimum would be when velocity at the top was zero – you could still be moving forward at the top, but this would require more velocity at the beginning)?
Transcribed Image Text:6. A 70.0 kg pole- vaulter converts the kinetic energy, of running at ground level, into potential energy to clear the crossbar at a height of 4.0 m above the ground. What is the minimum velocity that he must have had at takeoff (while on the ground) to clear the bar (minimum would be when velocity at the top was zero – you could still be moving forward at the top, but this would require more velocity at the beginning)?
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