A50 kg person stands on a 25 kg sled. the sled and person are initially moving together at 6.0 m/s in the +x direction on a frictionless, horizontal surface. if the person jumps off the back of the sled and now slides at 2.0 m/s in the +x direction, how fast is the sled moving?
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Physics, 21.06.2019 19:30
Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies. molten iron has a density of 7.0g/cm cubed. in its solid state, iron has a density of 8.0g/cm cubed.
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Physics, 22.06.2019 03:00
An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d
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Physics, 22.06.2019 07:00
We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?
Answers: 1
A50 kg person stands on a 25 kg sled. the sled and person are initially moving together at 6.0 m/s i...
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