A 17.0-kg cannonball is fired from a cannon with muzzle speed of 950 m/s at an angle of 40.0° with the horizontal. A second ball is fired with the same initial speed at an angle of 90.0°. Let y = 0 at the cannon. (a) Use the isolated system model to find the maximum height reached by each ball. 19,025 hfirst ball second ball 46,046 m m (b) Use the isolated system model to find the total mechanical energy of the ball-Earth system at the maximum height for each ball. Efirst ball × This is the gravitational potential energy of the cannonball at height 19025. What other form of mechanical energy is present as well? J Esecond hall 7,671,263.6 J
A 17.0-kg cannonball is fired from a cannon with muzzle speed of 950 m/s at an angle of 40.0° with the horizontal. A second ball is fired with the same initial speed at an angle of 90.0°. Let y = 0 at the cannon. (a) Use the isolated system model to find the maximum height reached by each ball. 19,025 hfirst ball second ball 46,046 m m (b) Use the isolated system model to find the total mechanical energy of the ball-Earth system at the maximum height for each ball. Efirst ball × This is the gravitational potential energy of the cannonball at height 19025. What other form of mechanical energy is present as well? J Esecond hall 7,671,263.6 J
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter9: Momentum And Its Conservation
Section: Chapter Questions
Problem 47A
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