Answered: 20. Jamal is at the state fair playing…

Name: 20. Jamal is at the state fair playing some of the arcades. At one boo
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Description: 20. Jamal is at the state fair playing some of the arcades. At one booth he throws a 0.50 kg ball forward with a velocity of 21.0 m/s in order to hit a 0.20 kg bottle sitting on a shelf, and when he makes contact the bottle goes flying forward at 30.

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter6: Momentum And Collisions

Section: Chapter Questions

Problem 4WUE: A soccer player runs up behind a 0.450-kg soccer ball traveling at 3.20 m/s and kicks it in the same...

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20. Jamal is at the state fair playing some of the arcades. At one booth he throws a 0.50 kg ball forward with a velocity of 21.0 m/s in order to hit a 0.20 kg bottle sitting on a shelf, and when he makes contact the bottle goes flying forward at 30.0 m/s. What is the velocity of the ball after it hits the bottle? *Use g=9.8

a. 5.0 m/s

b. 21 m/s

c. 15 m/s

d. 25 m/s

e. 9.0 m/s

4. It is said that Galileo dropped objects off the Leaning Tower of Pisa to determine whether heavy or light objects fall faster. If Galileo had dropped a 5.0 kg cannon ball to the ground from a height of 12 m, what was the change in the Ep of the cannon ball?

*Use g=9.8

a. 340 J

b. 590 J

c. 170 J

d. 60 J

e. 460 J

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