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A 1.4-kg block is supported as shown by a spring of constant k = 400 N/m which can act in tension or compression. The block is in its equilibrium position when it is struck from below by a hammer which imparts to the block an upward velocity of 2.5 m/s. Determine
(a) The time required for the block to move 60 mm upward,
(b) The corresponding velocity and acceleration of theblock.
If the deflection of the gae fluid height, h, is 2 inches find the 1) velocity of the jet air and 2) the force exerted on the disk by the air.
consider an evacuated rigid bottle of volume v that is surrounded by the atmosphere at pressure p0 and temperature t0.
A promising method of power generation involves collecting and storing solar energy in large artificial lakes a few meters deep, called solar ponds. Solar energy is absorbed by all parts of the pond, and the water temperature rises everywhere. The to..
a nozzle is attached to a vertical pipe and discharges water into the atmosphere as shown in the figure. when the
a constant velocity 20msec horizontal water jet from a stationary nozzle exit area 0.5 msec impinges normally on a
a piston mp 5 kg is fitted in a cylinder a 15 cm2 that contains a gas. the setup is in a centrifuge that creates an
Find the terminal velocity of an 8.5-inch-diameter sphere weighing 16 lbf falling through the following fluids under the action of gravity: (a) the standard atmosphere at sea level; (b) the standard atmosphere at 10,000 ft elevation above MSL; (c) wa..
consider a cogeneration power plant modified with regeneration. steam enters the turbine at 6 mpa and 450 celsius and
a converging-diverging nozzle has a design mach number of 2.0 . the stagnation pressure at the nozzle inlet is 100
consider two solid blocks one hot and the other cold brought into contact in an adiabatic container. after awhile
calculate the linear density atomsnm of atoms along the family of directions that lie within the 110 plane in i bcc
What is coefficient of lift (CL) of an airplane weighing 2200 lbs with wing surface area of 150 ft2, in steady level flight, at sea level density (0.0023 slugs/ft3), flying at 160 kts?
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