PEARSON ETEXT ENGINEERING MECH & STATS
15th Edition
ISBN: 9780137514724
Author: HIBBELER
Publisher: PEARSON
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A motorcyclist at A is traveling at 60 ft/s when he wishes to pass the truck T which is traveling at a constant speed of 60 ft/s. To do so the motorcyclist accelerates at a = 6 ft/s2 until reaching a maximum speed of 85 ft/s. If he then maintains this speed, determine the time needed for him to reach a point located 100 ft in front of the truck. Draw the v-t and s-t graphs for the motorcycle during this time.
The automobile travels from a parking deck down along a cylindrical spiral ramp at a constant speed of
v=1.5 m/s. If the ramp descends a distance of 12 m for every full revolution, determine the magnitude of
the car's acceleration as it moves along the ramp, r = 10 m. Hint: Note that the tangent to the ramp
Q1: A go cart shown accelerates along the tract with a = 2t-4m/s² . Its initial ( at t=0s) position is s=0 m
and initial velocity is 3 m/s. Determine, at t= 8s :
(a) The magnitude of the acceleration,
(b) The position of the go cart along the tract ( give both s and 0 ;,
(c) The total distance taveled along the tract in the first 8 seconds,
(d) The acerage speed,(,
(e) The average velocity. . .;
80m =r
+s
+0
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