Physics, 05.07.2019 12:30 pmbeachy3102
Which statement about matter is correct? a) in matter, molecules never stop moving. b) in the solid state, molecules stop moving. c) pressure and temperature do not affect matter. d) liquids have a lower level of energy than solids.
Answers: 1
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Explain why electric current cannot exist if a current doesn't have a voltage source.
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Physics, 22.06.2019 15:00
You hang a book bag on a spring scale and place the bag on a platform scale so that the platform scale reads 23.7n and the spring scale reads 13.8n. what is the magnitude of the force that earth exerts on the bag?
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Physics, 22.06.2019 16:00
From the perspective of an employee that effective channeling of work related information and concerns
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Physics, 22.06.2019 17:40
Emmy kicks a soccer ball up at an angle of 45° over a level field. she watches the ball's trajectory and notices that it lands, two seconds after being kicked, about 20 m away to the north. assume that air resistance is negligible, and plot the horizontal and vertical components of the ball's velocity as a function of time. consider only the time that the ball is in the air, after being kicked but before landing. take "north" and "up" as the positive ‑ and ‑directions, respectively, and use ≈10 m/s2 for the downward acceleration due to gravity.
Answers: 2
Which statement about matter is correct? a) in matter, molecules never stop moving. b) in the solid...
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