Physics, 08.06.2021 20:30, pineapplepizaaaaa
Which statement correctly describes the differences between positive and negative acceleration?
a) Positive acceleration describes a change in speed; negative acceleration describes no change in speed.
b) Positive acceleration describes no change in speed; negative acceleration describes a change in speed.
c) Positive acceleration describes an increase in speed; negative acceleration describes a decrease in speed.
d) Positive acceleration describes a decrease in speed; negative acceleration describes an increase in speed.
Answers: 1
Physics, 22.06.2019 05:00, DASASDAEDWEDA
Wavelength, frequency, and energy are related. what happens to a wave as itβs wavelength gets shorter?
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Physics, 22.06.2019 06:20, lolweapon
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.
Answers: 1
Physics, 22.06.2019 16:40, ashleypere99
Panel bc in fig. p2.76 is semi-circular, with the 3 meter radius and horizontal straight edge through point b. compute (a) the hydrostatic force of the water on the panel, (b) its center of pressure, and (c) the moment of this force about point b. assume atmospheric pressure on the dry side of the panel
Answers: 3
Which statement correctly describes the differences between positive and negative acceleration?
a)...
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