Multiple Choice
A petrol car is parked 50 feet from a long warehouse (see figure) . The revolving light on top of the car turns at a rate of 30 revolutions per minute. How fast is the light beam moving along the wall when the beam makes an angle of
with the perpendicular from the light to the wall. 
A) 
B) 
C) 
D) 
E) 
Correct Answer:

Verified
Correct Answer:
Verified
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