Physics, 21.01.2020 01:31 sashllely6112
During an in-class demonstration of momentum change and impulse, mr. h asks jerome (102 kg) and michael (98 kg) to sit on a large 14-kg skate cart. mr. h asks suzie (44 kg) to sit on a second 14-kg skate cart. the two carts are placed on low friction boards in the hallway. jerome pushes off of suzie's cart. measurements are made to determine that suzie's cart acquired a post-impulse speed of 9.6 m/s. determine the expected recoil speed of jerome and michael's cart.
Answers: 3
Physics, 22.06.2019 19:10
Global warming will produce rising sea levels partly due to melting ice caps but also due to the expansion of water as average ocean temperatures rise. to get some idea of the size of this effect, calculate the change in length (in m) of a column of water 1.45 km high for a temperature increase of 1.12°c. assume the column is not free to expand sideways. as a model of the ocean, that is a reasonable approximation, as only parts of the ocean very close to
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Physics, 23.06.2019 10:00
1. what is the si unit of emf? 2.a complete series circuit consists of a 12.0 v battery, a 4.70 ω resistor, and a switch in the closed position. the internal resistance of the battery is 0.30 ω. what does an ideal voltmeter read when placed across the resistor?
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Physics, 23.06.2019 12:00
Which wave would cause destructive interference at every point of the wavelength and completely cancel out the wave?
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During an in-class demonstration of momentum change and impulse, mr. h asks jerome (102 kg) and mich...
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