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Physics, 22.06.2019 10:00
Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?
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Physics, 22.06.2019 14:40
Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?
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Physics, 23.06.2019 02:30
If jason ii needs 15 kw of power at 300 volts to operate, what amperage of current must flow through the cable?
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Physics, 23.06.2019 08:40
Ascientist is working with a new kind of quantum dot to make a dye. he is applying newtonâs laws to the particle, but it seems to be breaking these laws of physics. which action will most likely the scientist study the particleâs motion? a. he needs to remember that the particle is too large for quantum analysis. b. he must continue to use newtonian mechanics, but he needs to learn more about the particle. c. he needs to use quantum mechanics, not newtonian mechanics, because this is a nanotechnology product. d. he must determine new physical laws that only apply to quantum dots.
Answers: 1
Acar is moving from rest and the velocity increases to 30 m/s in 4 seconds. calculate its accelerati...
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