Physics, 07.12.2021 20:00 arielcainess
Two negative charges that are both - 5.0 x 10°C push each other apart with a force of 15 N. How far apart are the two charges?
Answers: 3
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The eel has a certain amount of rotational kinetic energy when spinning at 14 spins per second. if it swam in a straight line instead, about how fast would the eel have to swim to have the same amount of kinetic energy as when it is spinning?
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Physics, 21.06.2019 17:00
Why is alternating current more effective at long–distance travel than direct current? a. the power lines are made out of conductors. b. transformers increase or decrease voltage as needed. c. the ac generator is more efficient. d. ac has lower voltage than dc.
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Physics, 22.06.2019 02:00
The motor m applies a time-varying force of f (200 t) n, where t is in seconds. box b with mass 200 kg starts from rest, and the coefficients of kinetic and static friction are 0.2 and us 0.3 the acceleration due to gravity is g 9.8 m/s2 b 300 a) find the time ' when the box starts to move. b) calculate the speed of the crate at 3 s c) calculate the power delivered by the motor at t 3 s
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Physics, 22.06.2019 06:00
What will a positive and a negative charge do if they are separated from each other?
Answers: 3
Two negative charges that are both - 5.0 x 10°C push each other apart with a force of 15 N. How
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