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A bowling ball with a diameter of 21.0cm is rolling down a level alley surface at 11.4m/s without slipping. Assume the ball is uniform and made of plastic with a density of 800Kg/m³.
A: What is the angular speed of the ball?
B: Calculate the speed (relative to the alley surface) of a point on top of the ball directly above the contact point on the floor.
C: What is the ball's linear kinetic energy?
D: If it now starts to roll up a 30 degree incline, how far up the incline will it travel before it stops?
An RLC circuit consists of a 863 ? resistor, a 49 µF capacitor, and a 265 mH inductor, connected in series with a 78.2 V, 96 Hz power supply. What is the phase angle between the current and the applied voltage? Answer between -180? and +180?
Thunder is heard 4.0 sec after the flash of lightning is observed. If the outside temperature is 15 degrees celsius, how far away was the lightning bolt
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The sound level of a single vacuum cleaner is about 75dB and a television is about 55dB. What is the sound level number
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