Physics, 12.11.2020 21:30 yolo123321
1. A mass of 50g is applied to a spring which stretches by 17mm. What is the spring constant?
2. How much energy does the spring in Q1 above store?
3. A catapult with a spring constant of 500N/m is stretched 30cm. How fast can it shoot an arrow with a mass of 50g?
Answers: 1
Physics, 22.06.2019 12:20
A2.0 μf capacitor and a 4.0 μf capacitor are connected in series across a 0.827-kv potential. the charged capacitors are then disconnected from the source and connected to each other with terminals of like sign together. find the voltage across each capacitor.
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Physics, 22.06.2019 15:00
When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell
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Physics, 22.06.2019 15:30
Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples
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Physics, 22.06.2019 20:40
In addition to gravity, what is the other predominant force that affects the motion of a pendulum?
Answers: 1
1. A mass of 50g is applied to a spring which stretches by 17mm. What is the spring constant?
2. Ho...
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