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Tom and Jim are kicking a ball, which has a mass of 490g, back and forth. Tom kicks the ball with a speed of 5m/s horizontally and Jim kicks it back to Tom with a speed of 9m/s. If the contact time between Jim's foot and the ball is 0.003s, what is the average force between his foot and the ball?
how to calculate the adiabatic flame temperatures from the injection pressures during choked conditions.
find the natural frequencies of oscillation of the double-pendulum below where m1=m2=m, and L1=L2=L.
a square 3m x 3m gate is located in the 45 sloping side of a dam. some measurements indicate that the resultant force
Assuming the pulley is a uniform disk with a mass of 0.31 {rm kg}, find the speed of the block after it has fallen through a height of 0.50 {rm m}.
Determine a structures natural frequency. Sketch a typical time wave response curve of such a test, then label the impact point and indicate the test piece's natural frequency on the time waveform.
compute (a) the interplanar spacing for the set of planes and (b) the atomic radius for the rhodium atom.
The cylinder of a water-cooled reciprocating compressor contains 0.05m^3 of air at 1.01bar. It is compressed isothermally to 8.0 bar. Determine the work input and the amount of heat rejected to the compressor cooling water.
Large stationary brayton cycly gas turbine power plant delivers a powr output of 100MW to an electric generator . Minimum temperature is 300K so T1= 300k max temp is 1600k
water is the working fluid in a cogeneration cycle that generates electricityand provides heat for campus buildings.
A volume of 1.8 L of neon gas (monatomic) is at a pressure of 3.4 atmospheres and a temperature of 370 K. The atomic mass of neon is 20.2 g / mol. Calculate the mass of neon gas in SI units.
a 60-lb uniform thin panel is placed in a truck with end a resting on a rough horizontal surface and end b supported by
a civil engineer must design a wheelchair accessible ramp next to a set of steps leading up to a building. the height
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