Physics, 28.01.2022 14:00 exoticbunnylover123
A cannon has a mass of 219 kg and is loaded with a cannonball of 20 kg. It is initially stationary. When fired the cannon has a recoil velocity equal to -6. 2 m/s to the left. What must be the velocity of the cannonball?.
Answers: 2
Physics, 22.06.2019 05:00
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Answers: 1
Physics, 22.06.2019 23:00
A6.0-μf air-filled capacitor is connected across a 100-v voltage source. after the source fully charges the capacitor, the capacitor is immersed in transformer oil (of dielectric constant 4.5). how much additional charge flows from the voltage source, which remained connected during the process?
Answers: 1
Physics, 22.06.2019 23:30
The diagram shows a wave. the quantity shown is the amplitude. this quantity is directly proportional to which of these other quantities? a) energy b) frequency c) period d) wavelength
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Physics, 23.06.2019 00:30
Which of the following is a true statement about the acceleration ~a of the pendulum bob ~a is equal to the acceleration due to gravity. ~a is perpendicular to the bob’s trajectory. ~a is equal to the instantaneous rate of change in velocity. ~a is tangent to the bob’s trajectory.
Answers: 1
A cannon has a mass of 219 kg and is loaded with a cannonball of 20 kg. It is initially stationary....
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