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Two mass are connected by a light inextensible cord that passes over a homogeneous 4-kg cylinder having a diameter of 1200 mm. How long will it take the 7-kg mass to move from rest to a speed of 2 m/s^2
NOTE: imagine a cylinder with a spring around it with end holding a block with mass 5-kg and the other 7-kg
which of these two processes will produce the largest amount of work? (You must provide a full explanation for your choice).
a 14 mm diameter 50 mm long mild steel rod undergoes a stress test. a tensile force of 18800 n is applied and the rod
water is to be pumped from a dam to a storage tank 20 m above at a rate of 70 ls. the electric power needed to achieve
a person with a receiver is 5 km away from the transmitter .what is the distance that this person must move further to
an intermittent wind tunnel is designed for a mach number of 4 at the test section. the tunnel operated by sucking air
the 2-kg collar is released from rest at A and travels along the smooth vertical guide. determine the speed of the collar when it reaches position B.Also ,find the normal force exerted on the collar at this position.the spring has an unstrectched ..
a projectile enters a resisting medium a x 0 with a initial velocity of vo 900 fts and travels 4 in. before coming to
solve using the ideal-gas law the generalized compressibility factor and steam tables. compare the specific volume of
A reversible heat pump cycle operates between a cold reservoir at 300ºC and a hot reservoir at 500ºC. Determine the coefficient of performance. Is it possible for a heat engine to operate on a cycle with an efficiency of 0.5 between reservoirs at 100..
Assuming this pressure creates a force of F = F 0sin( t / t0) on the bullet, determine the velocity of the bullet at any instant it is in the barrel. What is the bullet"s maximum velocity?
an automatic automotive transmission casing has a shape of a rectangular box with side dimensions 40 cm x 30 cm x 50
a tank with volume 0.100m3 is filled with helium gas. if a balloon is filled with helium until the diameter is 30.0cm
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