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A hammer head H having a weight of 0.31 lb is moving vertically downward at 40ft/s when it strides the head of a nail with negligible mass and drives it into a block of wood. find the impulse on the nail if it is assumed that the grip at A is loose, the handle has a negligible mass, and the hammer stays in contact with the nail while it comes to rest. Neglect the impulse caused by the weight of the hammer head during contact with the nail.
IN FE analysis, What is effect of modeling a plane stress as plane strain and vice a versa?
An ideal gas (MW = 26.0 lbm/lb·mol) undergoes a poly tropic process (with poly tropic index being 1.67) from an initial state of 6.9836 ft3/lbm and 60°F to a final volume of 0.86848 ft3/lbm. Show the process on a P-v diagram. Find the specific work o..
1. calculate the magnitude of the moment about the base point o of the 600 n force.2. the coefficient of static and
in a constant-pressure process steam at a 100 psia is presented to the piston of a pump and causes it to travel 3 in.
1 kg of steam occupies a volume of 0.2 m3 at 9 bar in a closed system. the steam is then heated at constant pressure
an important radionuclide produced in water-cooled nuclear reactors is 16n which has a half-life of 7.13 s and emits
a piston-cylinder device contains 6 kg of h2 and 21 kg of n2 at 160 k and 5 mpa. heat is now transferred to the device
the 80-lb boy and 60-lb girl walk towards each other wit a constant speed on the 300-lb cart. if their velocities
A wheel barrow is used to lift a 200 lb load. The length from the wheel axle to the center of the load is 2 ft. The length from the wheel and axle to the effort is 5 ft. 5. What is the ideal mechanical advantage of the system?
the compression ratio and cut of ratio of an air-standard diesel cycle are 16 and 2 respectively. at the beginning of
determine the horsepower input for a motor necessary to lift a 200 kg box at a constant rate of 2 ms. the overall
an alloy named cylon is composed of 25 wt. of metal a and 75 wt. of metal b. if the densities of metals a and b are
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