Physics, 02.10.2020 09:01 darlenelandaverde
A 7.00-kg object accelerates from rest to a final velocity in 55 seconds. If the magnitude of the
net force acting upon the object is 42.0 N, the final velocity reached by the object is
m/s.
Answers: 3
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Why is alternating current more effective at long–distance travel than direct current? a. the power lines are made out of conductors. b. transformers increase or decrease voltage as needed. c. the ac generator is more efficient. d. ac has lower voltage than dc.
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Atwo-stage air compressor operates at steady state, compression 10m^3/min of air from 100 kpa and 300k to 1200 kpa. an intercooler between the two stages cools the air to 300k at a constant pressure of 350 kpa. the compression processes are isentropic. a) calculate the power required to run the compressor, in kw b) compare the result to the power required for isentropic compression from the same inlet state to the same final pressure.
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Light traveling in a medium with a refractive index 1.19 is incident on a plate of another medium with index of refraction 1.79. at what angle of incidence is the reflected light fully polarized?
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A 7.00-kg object accelerates from rest to a final velocity in 55 seconds. If the magnitude of the
n...
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