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Physics, 21.06.2019 20:50
Aball is thrown upward in the air, and its height above the ground after t seconds is h ( t ) = 57 t β 16 t 2 feet. find the time t when the ball will be traveling upward at 14.25 feet per second.
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Physics, 22.06.2019 10:30
Apulley with mass mp and a radius rp is attached to the ceiling, in a gravity field of 9.81 m/s2 and rotates with no friction about its pivot.
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Physics, 22.06.2019 12:00
You have a resistor and a capacitor of unknown values. first, you charge the capacitor and discharge it through the resistor. by monitoring the capacitor voltage on an oscilloscope, you see that the voltage decays to half its initial value in 2.70 miss . you then use the resistor and capacitor to make a low-pass filter. what is the crossover frequency fc?
Answers: 2
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