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A Coast Guard cutter detects an unidentified ship at a distance of 23.0 km in the direction 15.0° east of north. The ship is traveling at 28.0 km/h on a course at 40.0° east of north. The Coast Guard wishes to send a speedboat to intercept and investigate the vessel.
(a) If the speedboat travels at 52.0 km/h, in what direction should it head? Express the direction as a compass bearing with respect to due north.
_______________° east of north
(b) Find the time required for the cutter to intercept the ship.
__________________min
For a damped oscillator with a mass of 240 g, a spring constant 59 N/m and a damping coefficient of 75.00 g/s, what is the ratio of the amplitude of the damped oscillations to the initial amplitude at the end of 12 cycles.
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Use approximate calculations assuming constant current during the output pulse. Calculate the ampere-hour rating of the battery so it lasts for five years.
What focal length does the lens require
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A basketball star covers 2.6 m horizontally in a jump to dunk the ball. His motion through space can be modelled precisely as that of a particle at his center of mass. His center of mass is at elevation 1.02m when he leaves the floor. It reaches a..
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