Multiple Choice
A petrol car is parked 35 feet from a long warehouse (see figure) .The revolving light on top of the car turns at a rate of
revolution per second.The rate at which the light beam moves along the wall is
ft/sec.Find the rate r when θ is
.
ft
A)
ft/sec
B)
ft/sec
C)
ft/sec
D)
ft/sec
E)
ft/sec
Correct Answer:
Verified
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