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They result in elastic collision. Car a is moving towards car b with velocity of 3 m/s and car b is moving toward car a with velocity of 11 m/s. Car a has mass 200kg and car b has mass 250 kg. what are the final velocities of cars?
A balloon, which is negatively charged by rubbing,clings to a wall. why does the balloon eventually fall
A woman at an airport is towing her 15.0-kg suitcase at constant speed by pulling on a strap at an angle ? above the horizontal. What angle does the strap make with the horizontal
State clearly the difference (a) between electric potential and electric field, (b) between electric potential and electric potential energy.
A 20-m long spacecraft is passing by earth at 0.8c. What is the length of the spacecraft measured within the moving (spacecraft) referencee frame
What is the magnitude of the electric field at this point?
A machinist turns the power on to a grinding wheel, at rest, at time t=0 s. What is the angular velocity in the time interval from t=0 to t=25s
What fraction of incident intensity is transmitted by system
Evaluate the heat loss per meter for each of the combinations you can figure out. Summarize the result in a graphical way, such as a table, such that they are easy to read and understand.
A 1210-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end.
The helicopter in the drawing is moving horizontally to the right at a constant velocity. The weight of the helicopter is W=59600 N. What is the magnitude of the lift force
What is linear acceleration
A heat engine is composed of of a monatomic ideal gas which runs in the following cycle: At point A the pressure is 2.6 atm, What is the efficiency of this heat engine
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