At a circus a performer weighing 90kg is shot from a cannon vertically into the air at 45 m/s. To avoid killing the performer a bar must be hung so that they can grab it at the highest point of their launch. Where should the bar be placed? (Solve using conservation of energy)

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter7: Work And Kinetic Energy
Section: Chapter Questions
Problem 47P: Calculate the kinetic energies of (a) a 2000.0-kg automobile moving at 100.0 km/h; (b) an 80.-kg...
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At a circus a performer weighing 90kg is shot from a cannon
vertically into the air at 45 m/s. To avoid killing the performer a
bar must be hung so that they can grab it at the highest point
of their launch.
Where should the bar be placed?
(Solve using conservation of energy)
Transcribed Image Text:At a circus a performer weighing 90kg is shot from a cannon vertically into the air at 45 m/s. To avoid killing the performer a bar must be hung so that they can grab it at the highest point of their launch. Where should the bar be placed? (Solve using conservation of energy)
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