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A 30 kg box with a height of 0.230 meters is on top of a 0.5-meter- high table and is initially at rest. A 5-kg projectile having a speed of 20 m/s was launched at the horizontal ground, 6.972 meters (horizontal distance) away from the nearest vertical wall of the box. When the projectile hit the vertical side of the box, it rebound at a speed of-11.143 m/s and the box developed a speed of 5.140 m/s. At what angle was the projectile launched?

A 30 kg box with a height of 0.230 meters is on top of a 0.5-meter- high table and is initially at rest. A 5-kg projectile having a speed of 20 m/s was launched at the horizontal ground, 6.972 meters (horizontal distance) away from the nearest vertical wall of the box. When the projectile hit the vertical side of the box, it rebound at a speed of-11.143 m/s and the box developed a speed of 5.140 m/s. At what angle was the projectile launched?

University Physics Volume 1
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter9: Linear Momentum And Collisions
Section: Chapter Questions
Problem 115CP: Two projectiles of mass m1 and m2 , are fired at the same speed but in opposite directions from two...
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A 30 kg box with a height of 0.230 meters is on top of a 0.5-meter- high table and is initially at rest. A 5-kg projectile having a speed of 20 m/s was launched at the horizontal ground, 6.972 meters (horizontal distance) away from the nearest vertical wall of the box. When the projectile hit the vertical side of the box, it rebound at a speed of -11.143 m/s and the box developed a speed of 5.140 m/s. At what angle was the projectile launched?
Transcribed Image Text:A 30 kg box with a height of 0.230 meters is on top of a 0.5-meter- high table and is initially at rest. A 5-kg projectile having a speed of 20 m/s was launched at the horizontal ground, 6.972 meters (horizontal distance) away from the nearest vertical wall of the box. When the projectile hit the vertical side of the box, it rebound at a speed of -11.143 m/s and the box developed a speed of 5.140 m/s. At what angle was the projectile launched?
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