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A small steel ball bearing with a mass of 13 g is on a short compressed spring. When aimed vertically and suddenly released, the spring sends the bearing to a height of 1.35 m. Calculate the speed at which the ball leaves the spring.
Determine heat flow, Heat flow through a uniform wall will: a) increase as the thermal resistance increases b) increase as the thickness of the wall increases
Water at 200KPa with a quality of 25%has it temperature raised to 20degrees celcius in a constant pressure process. What is the new quality and volume?
Determine the maximum speed at which the car with mass m can pass over the top point A of the vertical curved road and still maintain contact with the road.
At what location s will the combined moment of the weights of the man and platform about point B be zero.
What kind of metals are often recommended for use at low temperatures, particularly when any sudden loading of the part is expected?
Find the shaft ID needed to obtain a maximum deflection at the center of 3 mm if the shaft OD is 22 cm. Assume the shaft to be the same length between supports as the length of the paper roll.
What are the percentages of the total heat absorption taking place in the economizer, boiler drum and the superheater, respectively? Assume cp of air and water as 1.005 kJ/kg K and 4.2 kJ/kg K, respectively.
Fluid Statics: Submerged Submarine, A submarine is at a depth of 2000 ft from the water surface. The atmospheric pressure above the water is at 14.7 psia
Consider a magnet moving in a coil of N, turns. This system can be modelled as mass spring damper system. The damping coefficient consist of both mechanical and electromagnetic damping. How can I calculate the mechanical electromagnetic damping?
The desire is to raise the temperature of the ambient air from 60 degree F to 350 degrees F ---- I need to calculate the amount of steam energy in BTU's per minutes and lbs of steam per minute necessary to accomplish the increase in air temperatur..
What is the velocity and rate of flow of the metal into the mold? Is the flow turbulent or laminar? (Pure aluminum density ρ = 2.7 g/cm3).
What are the design implications for the location and positioning of solar cells? Explain why the use of solar cells might be more appropriate in some regions of the country.
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