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A 2.9 kg collar is free to slide on a rough rod rotating in the horizontal plane. The collar's radial position along the rod is governed by r(t) = (0.10+0.32et) m, and its angular position is described by θ(t) = ωt rad, where ω = 2.0 rad/s. What is the er component of the force acting on the collar at t = 1.4 s? Specify your answer in N to 2 decimal places.
Determine the specified data for water at the states indicated and locate each state on a P-v and T-v diagram.
Air at 90 kpa and -7 C enters an adiabatic diffuser steadily with a velocity of 180 m/s and leaves with a low velocity at a pressure of 100 kpa. The exit area of the diffuser is 5 times the inlet area. Determine (a) the exit temperature and (b) th..
What is the difference between mixed and unmixed flow in heat exchangers?
A piston-cylinder device initially contains 50L of liquid water at 40 degrees C and 200kPa. Heat is transferred to the water at constant pressure until entire liquid is vaporized.
a heat engine working on carnot cycle converts 25% of heat into work when the temperature of the sink is reduced by 353 k the efficiency gets doubled .find the temperature of source and sink.
Determine the magnitude of the horizontal and vertical components of the force of the water on the gate.
Estimate the mass of the gas in the tank in kg assuming the gas behaves as an ideal gas. If the gas warms up to 35 deg C as it sits in the sun all day, what would the pressure rise to?
ater is the working fluid in a regenerative rankine cycle. the pressure andnbsptemperature at the turbine inlet are
calculate the largest semicircular surface flaw oriented along the axis of the bores that could withstand a fluid pressure of 50MPa.
You are asked to measure the rate at which waste gases are being discharged from a stack. The gases entering contain 2.1 % carbon dioxide. Pure carbon dioxide is introduced into the bottom.
Calculating a Constant Pressure Process, In a constant pressure, nonflow process, 6Btus of heat are added to a gas while the volumes change from 1.6ft^3 to 2.0ft^3
find the natural frequency of a pendulum for small angle deflections when the mass of the rod/string is not negligible. (Mass of rod = m, mass of ball = M.
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