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Compute the gravitational potential due to a thin rod of length L and mass M at a distance R from the center of the rod and in a direction perpendicular to the rod. Secondly, consider a point mass located at a distance D from the nearest end of a thin rod of length L and mass M along the axis of the rod. Discover the gravitational force exerted on the point mass with the rod.
David Purley, a racing driver, survived deceleration from 173 km/hto 0 km/h over a distance of .660 m when his car crashed. find the average force acting on him during the crash
Dave Johnson, the bronze medalist at the 1992 Olympic decathlon in Barcelona, How far does his center of mass move up as he makes the jump
Two curves on a highway have the same radii. However, one is unbanked and the other is banked at an angle ?. Find the angle of the banked curve
Water flows at 0.990m/s from a hot water heater, through a 450-kPa pressure regulator. What is the flow speed in this pipe
When a ray of light is incident on a material of refractive index 1.4. The angle of refraction is 32 degrees. A portion of the light is also reflected. What is the angle among refracted and reflected beams?
A 73.1-kN car is travelling at 59.9 mph when the driver decides to exit the freeway by going up a ramp. What is the magnitude of the average drag force exerted on the car
A 100-W lightbulb has a resistance of about 12 ?when cold (20 ?C) and 156? when on (hot). Estimate the temperature of the filament
An air conditioner connected to a 120 V rms ac line is equivalent to a 14.9 ? resistance and a 1.39 ? inductive reactance in series. calculate the impedance of the air conditioner
A 20 kg loudspeaker is suspended 2.0m below the ceiling by two cables that are 30 degrees from vertical. what is the tension in the cables
Determine the force of gravity between earth (mass =6.0x10^24kg) and the moon (mass= 7.4x10^22kg). The average earth-moon distance is 3.8x10^8m.
Write a nuclear reaction for the neutron-induced fission of U-235 to produce Te-137 and Zr-87 How many neutrons are produced in the reaction
you have your bicycle upside down for repairs, with 66 cm diameterwheel spinning freely at 230 rpm. What is the final angular speed of the wheel
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