COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Chapter 3, Problem 6QAP
To determine
To describe:
Qualitatively how the projectile's velocities and accelerations in the vertical and horizontal directions differ when the effects of air resistance are ignored and when the effects are considered.
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9) A drinking fountain projects water at an initial angle of 50 degrees above the horizontal, and
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9)
A projectile moves in a parabolic path without air resistance.
a) Is there any point at which acceleration a is parallel to velocity v ?
b) Is there any point at which acceleration a is perpendiculr tovelocity v ?
Explain using a graph for full credit.
You shoot an arrow into the air at an initial velocity of 22.5 m/s at an angle of 40 degrees.
a) Find the maximum height the arrow reaches in the air.
b) Find the time it takes to reach its maximum height.
c) Find the time it takes to hit the ground. Assume its flight in the air is symmetrical, with the first half of flight traveling upward, and the 2nd half of the flight traveling downward. Assume no air resistance.
d) Find how far away it hits the ground.
Chapter 3 Solutions
COLLEGE PHYSICS
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