A team of engineering students designs a medium- size catapult which launches 8-1lb steel spheres. The vo = 80 ft/sec fence launch speed is the launch angle is above the 0 = 35° 20 horizontal, and the launch position is 6 ft above ground level. The students use an athletic field with 100 30 an adjoining slope topped by an 8-ft fence as shown. Determine: (a) the x-y coordinates of the point of first impact

Glencoe Physics: Principles and Problems, Student Edition
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ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter5: Displacement And Force In Two Dimensions
Section: Chapter Questions
Problem 75A
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A team of engineering students designs a medium-
size catapult which launches 8-lb steel spheres. The
vo = 80 ft/sec
fence
launch speed is the launch angle is above the
0 = 35°
20
horizontal, and the launch position is 6 ft above
6'
L-x
ground level. The students use an athletic field with
100'
30
an adjoining slope topped by an 8-ft fence as
shown. Determine:
(a) the x-y coordinates of the point of first impact
(b) the time duration of the flight
©the maximum height h above the horizontal field attained by the ball
(d) the velocity (expressed as a vector) with which the projectile strikes the ground
Transcribed Image Text:A team of engineering students designs a medium- size catapult which launches 8-lb steel spheres. The vo = 80 ft/sec fence launch speed is the launch angle is above the 0 = 35° 20 horizontal, and the launch position is 6 ft above 6' L-x ground level. The students use an athletic field with 100' 30 an adjoining slope topped by an 8-ft fence as shown. Determine: (a) the x-y coordinates of the point of first impact (b) the time duration of the flight ©the maximum height h above the horizontal field attained by the ball (d) the velocity (expressed as a vector) with which the projectile strikes the ground
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