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A car travels due East with a speed of 33.5 km/h. Rain is falling vertically with respect to the Earth. The traces of the rain on the side windows of the car make an angle of 63.7 degrees with the vertical.
Find the velocity of the rain with respect to the car.
Answer in units of km/h.
Find the velocity of the rain with respect to the Earth.
Answer in units of km/h
When two tuning forks of 146Hz and 161Hz, respectively, are sounded simultaneously, how many beats per second are heard.
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