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The electric motor of a model train accelerates the train from rest to 0.740 meter per second in 30 milliseconds. The total mass of the train is 580 gram. Obtain the average power delivered to the train during its acceleration.
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For your senior project, you are designing a Geiger tube for detecting radiation in the nuclear physics laboratory. This instrument will consist of a long metal cylindrical tube that has a long straight metal wire running down its central axis.
A 80 kg football player stand at the end of a uniform 8m, 50kg diving board supported as shown. Determine the forces exerted by the two supports.
A water bed has dimensions of 1.83 m x 2.13 m x 0.229 m. The floorof the bedroom will tolerate an additional weight of no more than6660 N. Find the weight of the water in the bed to determinewhether it should be purchased.
A thin film of polystyrene is used as a nonreflecting coating for fabulite, What is the minimum thickness of the film required
An inductor in the form of a solenoid contains 380 turns and is 14.4 cm in length. What is the radius of the solenoid
An 845 kilogram race car can drive around an unbanked turn at a maximum speed of 62 m/s without slipping. Find what would be the maximum speed if no down force acted on the car
Recall from Section 14.3 that the average kinetic energy of an atom in a monatomic ideal gas is given by KE=(3/2)kT, Determine the de Broglie wavelength of a helium atom
A 5 Watt night-light is plugged into a 120 Volt circuit and operates continuously for 1 year. Compute the resistance of its filament
A cubical room 2.5 x 10^7 m^3 (NASA's vehicle assembly building) is filled with nitrogen (N2) gas @ 100 kPa and 27 degrees Celsius. What is the mass of the gas in the room
A toy car of mass 2.0 kg is stationary and a child rolls a truck of mass 3.5kg straight toward it with a speed of 4.0 m/s. What are the velocities of the truck and the car
An irrigator uses the (old-fashioned) concept of plant available water to determine the irrigation water quantity needed to irrigate a 10 ha field, How much water does the irrigator need to apply
The left mass (10 kg) has a coefficient of kinetic friction between itself and the table of .25, calculate the contact force that acts between the masses
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