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Physics, 21.06.2019 17:30
Acatapult is tested by roman legionnaires. they tabulate the results in a papyrus and 2000 years later the archaeological team reads (distances translated into modern units): range = 0.4 km; angle of launch = ฯ/5 rad; landing height = launch height. what is the initial velocity of launch of the boulders if air resistance is negligible?
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Physics, 21.06.2019 18:30
Which of the following correctly describes the early view of catastrophism?
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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
The position of a particle s given by x=3-2t+3t^2. What is its instantaneous velocity and instantane...
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