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A bullet of mass m is shot at speed v toward a pendulum bob of mass M. The bullet penetrates through the block and emerges on the other side traveling at speed v/2.
What is the speed vblock of the block immediately after the bullet emerges from the block?
o what maximum height h does the block rise?
an air standard diesel cycle has a compression ratio of 20 and the heat transferred to the working fluid per cycle is
a piston-cylinder device contains 1 kg of h2o. the water is at 800oc and a pressure of 20 mpa. heat transfer occurs
a pressure transducer that behaves as a second order system is used to monitor pressure fluctuations in a petrochemical
the pressure in a steam main is 12 bars. a sample of steam is drawn off and passed through a throttling calorimeter the
an 8-m long unisulated square duct of cross sectional 0.2-m x 0.2-m and relative roughness 10-8 passes through the
a closed rigid tank is filled with water. initially the tank holds 9.9ft3 saturated vapor and .1ft3 saturated liquid
the vapor-compression refrigeration system uses r-134a as its working substance. the pressure upstream and downstream
A spring stiffness k= 500 n/m is mounted against a 10 kg block. if the block is subjected to a force of 1 KN determine the velocity of the block at s=0.3 m when s=0, the block is at rest and the spring is uncompressed. The coefficient of fricktion is..
calculate the work necessary to compress air in an insulated cylinder from a volume of 6 ft3 to a volume of 1.2 ft3.
Given that an activity's normal time and cost are 10 days and $400 and its crash time and cost are 5 days and $800, what is the activity's slope?
a rocket motor is used to accelerate a kinetic energy weapon to a speed of 3500 mph in horizontal flight. the exit
You are given a sheet of steel with a modulus of rigidity is G = 80.8 Gpa, a length L = 1 m, width w = 100 mm, and thickness t = 1 mm. You are asked to design a shaft cross-section by shaping the given steel sheet. The machine that is available to yo..
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