Physics, 09.01.2020 04:31 willmandiaz23
Au-tube open at both ends is partially filled withwater. oil
(density = 750kg/m3) is then pouredinto the right arm
and forms a column l = 5.00 cm high. (a)determine the difference
in, h, in the heights of the twoliquid surfaces. assume
that the density of air is1.29kg/m3, but be sure to
include differences in theatmospheric pressure due to changes in
altitude. (b) the right armis then shielded from any air motion
while air is blown across thetop of the left arm until the surfaces
of the two liquids are atthe same height. determine the speed of
the air being blownacross the left arm.
Answers: 2
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Prompta snowboarder stands at the top of a hill and decides to see if he can increase his speed on his next trip down the slope.describe one thing the snowboarder could do to incrlase his speed on the slope. explain why this would cause his speed toincrease relate one of newton's laws to this problem.
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If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.
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Physics, 22.06.2019 20:50
An ideal otto cycle has a compression ratio of 8. at the beginning of the compression process, air is at 95 kpa and 27°c, and 750 kj/kg of heat is transferred to air during the constant-volume heat-addition process. assuming constant specific heats at room temperature, determine (a) the pressure and temperature at the end of the heat-addition process, (b) the net work output, (c) the thermal efficiency, and (d) the mean effective pressure for the cycle. (4390 kpa, 1730 k; 423 kj/kg; 56.4%; 534 kpa)
Answers: 1
Au-tube open at both ends is partially filled withwater. oil
(density = 750kg/m3) is then pour...
(density = 750kg/m3) is then pour...
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