Physics, 31.12.2020 01:00 cranfordjacori
A 75 kg snowboarder slides up a frictionless rail to a height of 1.75 m high and slides across it at 2.50 m/s. How much kinetic energy did he have before sliding up the rail?
Answers: 1
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What is the scientific definition of energy that relates to work
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Physics, 22.06.2019 13:50
Observations show that interstellar clouds can have almost any shape and
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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 19:40
22. the top of a cliff is located a distance h above the ground. at a distance h/2 there is a branch that juts out from the side of the cliff, and on this branch a bird's nest is located. two children throw stones at the nest with the same initial speed, one stone straight downward from the top of the cliff and the other stone straight upward from the ground. in the absence of air resistance, which stone hits the nest in the least amount of time?
Answers: 1
A 75 kg snowboarder slides up a frictionless rail to a height of 1.75 m high and slides across it at...
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