COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Chapter 3, Problem 68QAP
To determine
The speed of the plane..
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Example(3):- A projectile is
the edge of a 150 m cliff with an initial
velocity of 180 m/sec at an angle of 30° with the horizontal. Neglecting air
resistance, find:-
(a) The horizontal distance from the gun to the point where the projectile strikes
the ground.
(b) The greatest elevation above the ground reached by the projectile.
Ans. (a) X = 3102.4 m, (b) Greatest elevation = 562. 8 m
180 mis
150 m
Vo = 65.0 m/s
35.0°
h =115 m
FIGURE 3-51 Problem 59.
A ball is launched at an angle of 35.0° off a 115 meter high cliff with an initial velocity of 65.0 m/s. If friction is negligible, how far from the
base of the cliff does the ball land?
Use the equations of motion to determine the answer.
Give your answer in meters to the correct number of significant figures.
Q3 ] A ball thrown with an initial velocity of 12 m/sec at an angle 60 with the
building as shown, the ball strikes the ground 11.3 m horizontally from the
base of the building. Neglect the air resistance, determine the height h and
width b of the building.
12 m/sec
Ball
h
Building
Ground
11.3 m
Chapter 3 Solutions
COLLEGE PHYSICS
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