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Determine (a) at the time at which the velocity will be zero, (b) the position and distance traveled by the particle at the time, (c) the acceleration of the particle at that time.
The wheel has a mass of 50 kg and a radius of gyration of 125 mm about its center of mass G. Determine its angular velocity after it rolls over the step. The wheel does not lose contact with the step
A 1 lb ball is thrown at the rod with a velocity v = 50 ft/s and strikes the rod at C. Determine the angular velocity of the rod just after the impact. Take e = 0.7 and d = 2 ft.
If the heat supplied to a room is at a temperature of 30 degrees C, what is the maximum rate of heating (in kW heat per kW power input) that can be generated?
The pump and turbine are isentropic. a) What is its thermal efficiency? b) At what rate is energy being given off by heat transfer to the cold thermal reservoir?
What are the Mach Number, static pressure, stagnation pressure, and stagnation temperature at the duct exit? (psia, F) b.) How much heat transfer to the air would be required to choke the flow at th
The gas undergoes a combustion with 120%of the stoichiometrically required air. Write a balanced reaction equation calculate the fuel air ratio on a molar and mass basis.
Determine the magnitude of the couple being applied to the drum, knowing the the coefficient of kinetic friction between the belt and the drum is 0.25, that a=4 in.
Find the power required by the compressor in KW. The refrigeration capacity in tons. The coefficient of performance of the cycle.
At time t=0 a particle is at the origin of a CW frame with relative velocity (delta Vo = v ) in the j direction. What will be the relative speed of the particle after one-half orbital period of the
Calculate the temperature, specific enthalpy and specific entropy at the exit b) Calculate the inlet and exit specific volumes c) Show the process in a T-v diagram.
The cooling water leaves the exchanger at 88oC. a) Calculate the rate of heat exchange between oil and water streams b) Calculate the exit temperature of oil flow.
If the mixed stream (warm stream) leaves the chamber at 300 kPa, calculate its temperature as it exits the chamber.
Determine the amount of heat that will be transferred to the room when the steam pressure has dropped to 100kpa. Also show the process on a P-v diagram with respect to saturation lines.
Feed-water heaters are used to increase the efficiency of steam power plants. The heater loses heat at a rate of 50 J/g of exiting mixture. What fraction of the exit stream is steam?
The air does work in the amount of 30 kJ/kg and 14 kJ/kg of heat is removed from the air during the expansion. The initial volume is 0.00878 m3. Calculate the entropy change of the air per kilogram.
The gas undergoes complete combustion with 120% of the stoichimetrically required air. A) Write the balanced equation B) Calculate the fuel-air ratio on a molar and mass basis.
Calculate the inlet and exit specific volumes. Calculate the temperature, specific enthalpy, and specific entropy at the exit.
Calculate: a. The turbine exit temperature and power output in °C and kW respectively b. The compressor exit pressure and temperature in kPa and °C respectively c.
At time t =10 sec determine(a) the distance the motorcycle has moved along the track and (b)the magnitude of its acceleration.
A drag racer that weighs 1600 lb attains a speed of 270 mph in a quarter mile. Immediately after passing through the timing lights, the driver opens a round drag chute with a diameter of 6 ft.
Find the rate of heat exchange between the hot fluid and water streams. and find the the exit temperature of the hot fluid flow.
The mixture of warm water then exits the chamber at 300 kPa Calculate the tempreture of the warm water as it exits the chamber show all work, equations and solutions for this problem.
What is the water pressure supplied to a building of the shower heads are 30 meters above the supply line, the pipe is 1 centimeter in diameter (id) galvanized iron pipe.
80 Foot tree. Branches begin 8 feet from ground. Forms a triangle with a 30 degree angle at the tip of tree. Wind speed is 10 meters/second.