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Neglect the mass of the cord and pulleys. Problem 13-49 Block A has mass mA and is attached to a spring having a stiffness k and unstretched length l0. Determine the distance both blocks slide on the smooth surface before they begin to separate. What is their velocity at this instant? Problem 13-50 Block A has a mass mA and is attached to a spring having a stiffness k and unstretched length l0. If another block B, having a mass mB is pressed against A so that the spring deforms a distance d, show that for separation to occur it is necessary that d > 2 k g(mA+mB)/k, where k is the coefficient of kinetic friction between the blocks and the ground. Also, what is the distance the blocks slide on the surface before they separate?
If we have |N|(en) + F - W = 0 Where The unit vector of N is give, F components unknown and W is only -3400 j. What is the first step to solve for an unknown.
Find the safe applied torque that can be transmitted by the shaft ABCD, if the maximum shear stress in the hollow section is 47 MPa and G = 82.5 GPa.
determine the slenderness ratio of a 5 m column with built end if its cross section is a circular with a radius of 40 mm and b 50 mm square use the concept of effective length.
Determine the heat transport rate of energy through an animal skull where average inside surface temperature is 95 degrees farinhiet and whose out outside surface temperature is 90 F. Assume the skull is a spherical shell 7.5 inches in outside dia..
405-N rightward force is use to drag a large box across the floor with a constant velocity of 0.678 ms-1. The coefficient of friction between the box and the floor is 0.795. Determine the mass of the box.
Hollow shaft transmitting power with shear limits. Design a hollow steel shaft to transmit 300 hp at 75 rpm without exceeding a shear tress of 8000 psi. Use 1.2:1 as the ratio of the outside diameter to the inside diameter.
Is there a good calculation model for the material flow through a combine harvester related to the harvesting speed?
Determining the Exit Temperature and Power Input of Air through a Compressor, Air at 150Pa and 310K enters a compressor of inlet diameter 2cm. The Compressor raises the pressure to 3.5 times the inlet pressure
The annual holding cost rate for this type of item has been estimated at 28%. What option is more economical?
Find the velocity of the bullet and block just after impact.
the friction force acting at the chip-tool interface the main (tengential ) cutting force is 1500N . Find the orthogonal rake angle of the cutting tool?
Important information about Pressure Cooker, Steam is leaving a pressure cooker whose operating pressure is 30 psi. It is observed that the amount of liquid in the cooker has decreased by 0.4 gal in 45 minutes after the steady operating conditions..
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