Discuss how large a force is needed to open the valve
A valve in a cylinder has a cross sectional area of 11 cm2 with a pressure of 735 kPa inside the cylinder and 99 kPa outside. How large a force is needed to open the valve?
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At its highest temperature, a space heater has a resistance of 19.5 %u03A9 when it is plugged into a wall outlet supplying a peak voltage of 176.8 V sinusoidally at 60 Hz. What is the average power output of the space heater?
Find the mass of steam vented out from when the relief valve first opens to the point when the water level drops below the top of the core.
Explain why the existence of a cutoff frequency in the photoelectric effect supports a particle model of light, rather than a wave model.
An insulated piston-cylinder device contains 3 Liter of saturated liquid water. The pressure is at 120kPa. Now, an electrical resistance heater inside the cylinder is turned ON, and an electrical work in the amount 2200 kJ is done on the water in
knowing that th height of the rebound is .6m, determine A) the velocity of the plate immediatly after the impact, B) the energy lost due to the impact.
A charged particle A exerts a force of 1.87N to the right on charged particle B when the particles are 18.49 mm apart. Particle B moves straight away from A to make the distance between them 21.38mm. What force (magnitude) does particle B then exe
Consider an evacuated rigid bottle of volume V that is surrounded by the atmosphere at pressure P0 and temperature T0. A valve at the neck of the bottle is now opened and the atmospheric air is allowed to flow into the bottle.
Determine the input power of the pump (hp), and the diameter of inlet/outlet ports such that the fluid speed will be 10 ft/s (inches).
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