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A truck is traveling at v0 = 60mph when the driver applies the brakes to come to a stop. The deceleration of the truck is constant and the truck comes to a complete stop after braking for a distance of 350ft. There is a crate sitting on the the truck and treat the crate as a particle so that tipping can be neglected.
Determine the minimum coefficient of static friction between the crate and the truck so that the crate does not slide relative to the truck.
determine the minimum time needed for the plate temperature to reach 140°C.
Depron is a polystyrene foam, popular as a material for the manufacture of fast food trays and packaging. It is much lighter than balsa wood and can be cut with a sharp blade, sawn with a fine.
A household refrigerator with a coefficient of performance of 2.4 removes energy from the refrigerated space at a rate of 600 Btu/h. Evaluating electricity at , determine the cost of electricity n a month when the refrigerator operates for 360 hou..
the entire assembly is placed in an environment whose temperature is 200c. determine the volume of chamber 1 when thermodynamic equillibrium has been estabilished.
Determine the natural frequencies of the system. For the baseline system I get natural frequencies at the following engine speeds: 435, 2026, 2818, 5225, 7093, 10245, and 12153 rpm.
Each turbine stage isentropic efficiency of 85% FWH is open T-S diagram for cycle? What is thermal efficiency and the moisture content of the steam leaving the low-pressure turbine?
The linear joint (Type L) of a certain industrial robot is actuated by a piston mechanism. The length of the joint wehn fully retracted is 600 mm and when fully extended is 1000 mm. If the robot's controller has an eight-bit storage capacity, dete..
Calculate the magnitude of the moment acting at the build-in end and specify the orientation of the moment vector relative to the principal centroidal axes of the section with the aid of a sketch and determine the stresses at each corner of the bu..
In the an ideal turbo jet, the engine is designed such that the turbine work is divided equally between the compressor and the propeller. The gas from the turbine discharges to a nozzle for additional thrust.
Determine the thermal efficiency of the cycle and the net specific work. Assume each turbine stage isentropic efficiency to be 99% and assume the FWH is open.
Calculate the magnitude of the moment about the base point O of the 600 N force and calculate and draw the shear force and bending moment diagram for the cantilever beam
the 50-kg homogeneous smooth sphere rest on the 30 degree incline A and bears against the smooth vertical wall B. calculate the contact forces at A and B.
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