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A 25g object moving to the right at 20 cm/s overtakes andcollides elastically with a 10.0g object moving in the samedirection at 15cm/s. What is the velocity of each object after collision?
A thermodynamic system undergoes a process in which itsinternal energy increases by520 J. what is the energy transferred toor from it by heat
A car travelling at 23 m/s runs out of gas while travelling up a 20 degree slope. How far up the hill will it coast before starting to roll back down.
Three deer, A, B, and C, are grazing in a field. Deer B is located 63.9 m from deer A at an angle of 51.4 ° north of west. What is the distance between deer A and C
Given the standard molar volume of gas is 22.71 L/mol at a temp of 273.15K and a pressure of 1 bar, what is the value of the ideal gas constant
A block is pushed up a frictionless 30° incline by an applied force as shown. If F = 25 N and M = 3.0 kg, what is the magnitude of the resulting acceleration of the block
Two events occur in an inertial system at the same time, but 7200 km apart. What is the time difference between the two events
A gibbon is hanging onto a horizontal tree branch with one arm, swings with a small amplitude. Estimate the frequency of oscillation
An ac generator with a frequency of 1.54kHz and an rms voltage of 22.2V is connected in series with a 1.90k, What is the power factor for this circuit
A 5 m deep river runs on a horizontal 7 m long bridge and 8.5 m wide, which is hung in air 10 m high above the ground. What is the force on the side of the bridge
A beam of 6 MeV electrons passes through a 400 micro-meter thick silicon detector. Estimate the energy lost by the electrons when crossing 200 micro-meters, 300 micro-meters and the full thickness of the detector.
A piece of wood that floats on water has a mass of 0.0175kg. A lead weight is tied to the wood and the apparent mass with the wood in air and the lead weight submerged in water is 0.0765kg. what is the specific gravity of the wood
Two moles of an ideal gas are placed in a container whose volume is 9.1 multiply.gif 10-3 m3. What is the average translational kinetic energy of a molecule of the gas
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