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Related RatesMoving searchlight beam The figure shows a
Chapter 3, Problem 151PE(choose chapter or problem)
Problem 151PE
Related Rates
Moving searchlight beam The figure shows a boat 1 km offshore, sweeping the shore with a searchlight. The light turns at a constant rate, dθ/dt = -0.6 rad/sec.
a. How fast is the light moving along the shore when it reaches point A?
b. How many revolutions per minute is 0.6 rad/sec?
Questions & Answers
QUESTION:
Problem 151PE
Related Rates
Moving searchlight beam The figure shows a boat 1 km offshore, sweeping the shore with a searchlight. The light turns at a constant rate, dθ/dt = -0.6 rad/sec.
a. How fast is the light moving along the shore when it reaches point A?
b. How many revolutions per minute is 0.6 rad/sec?
ANSWER:
Solution
Step 1 of 3
In this problem, we have to find the speed of light moving along the shore when it reaches point A.
b) We have to find the revolution per minute is 0.6 rad/sec.