College Physics
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Chapter 04, Problem 034
Flying Circus of Physics
A trebuchet was a hurling machine built to attack the walls of a castle under siege. A
large stone could be hurled against a wall to break apart the wall. The machine was
not placed near the wall because then arrows could reach it from the castle wall.
Instead, it was positioned so that the stone hit the wall during the second half of its
flight. Suppose a stone is launched with a speed of V.
= 39.0°. What is the speed of the stone if it hits the wall (a) just as it reaches the
top of its parabolic path and (b) when it has descended to half that height? (c) As a
percentage, how much faster is it moving in part (b) than in part (a)?
= 25.0 m/s and at an angle of
Units
(a) Number
Units
(b) Number
(c) Number
Units
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Transcribed Image Text:Chapter 04, Problem 034 Flying Circus of Physics A trebuchet was a hurling machine built to attack the walls of a castle under siege. A large stone could be hurled against a wall to break apart the wall. The machine was not placed near the wall because then arrows could reach it from the castle wall. Instead, it was positioned so that the stone hit the wall during the second half of its flight. Suppose a stone is launched with a speed of V. = 39.0°. What is the speed of the stone if it hits the wall (a) just as it reaches the top of its parabolic path and (b) when it has descended to half that height? (c) As a percentage, how much faster is it moving in part (b) than in part (a)? = 25.0 m/s and at an angle of Units (a) Number Units (b) Number (c) Number Units Click if you would like to Show Work for this question: Open Show Work SAVE FOR LATER SUBMIT ANSWER Question Attempts: 0 of 10 used
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