4. An archer's bow allows you to store potential energy by bending the bow. This energy is released and transferred to the arrow as kinetic energy. If the arrow is shot directly upwards the arrow reaches a maximum height before falling back to earth. a) What work do you do on the bow if you pull the bowstring back 90cm using a force 120N? b) What is the initial kinetic energy of the arrow? (

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter7: Conservation Of Energy
Section: Chapter Questions
Problem 5OQ: Answer yes or no to each of the following questions. (a) Can an objectEarth system have kinetic...
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Question 4a,b,c.
4. An archer's bow allows you to store potential energy by bending the bow. This energy is released and
transferred to the arrow as kinetic energy. If the arrow is shot directly upwards the arrow reaches a maximum
height before falling back to earth.
a) What work do you do on the bow if you pull the bowstring back 90cm using a force 120N?
b) What is the initial kinetic energy of the arrow?
(1)
Page 2 of 7
(1)
Transcribed Image Text:4. An archer's bow allows you to store potential energy by bending the bow. This energy is released and transferred to the arrow as kinetic energy. If the arrow is shot directly upwards the arrow reaches a maximum height before falling back to earth. a) What work do you do on the bow if you pull the bowstring back 90cm using a force 120N? b) What is the initial kinetic energy of the arrow? (1) Page 2 of 7 (1)
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c) If the arrow has a mass of 50g what will be its maximum speed?
P
Transcribed Image Text:E D 4 R F T G 7 Y 7 H U CO 8 J 9 K 0 0 L c) If the arrow has a mass of 50g what will be its maximum speed? P
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