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A force of 50 N is applied at the rim of a wheel 1 meter in diameter. The line of action of the force is perpendicular to the radius of the wheel at that point. What torque is exerted on the wheel?
q1. white light 380nm-750nm strikes a diffraction grating 870 linesmm at normal incidence. what is the highest-order
Two spherical drops of mercury each have a charge of 0.14nC and a potential of 310V at the surface. What is the potential at the surface of the new drop
Once the freezing is complete, the temperature of the resulting ice continues to drop, reaching temperature TB after an hour. The following specific heat and latent heat values for water may be helpful. How much energy must be transferred out of t..
Two friends hold on to a rope, one at each end, on a smooth, frictionless ice surface. What is the magnitude of the angular momentum of the system comprised of the two friends
The light from a single car is photographed from a high vantage point with a time exposure. What is the line that is observed in the photograph? A long time passes as a large number of car lights are photographed instantaneously on the same road f..
at one location on the earth the rms value of the magnetic field caused by solar radiation is 1.95 microt.a calculate
An RL circuit has a 5 k resistor and a 1mH inductor. This circuit is driven by a 100 Hz sine wave with 1V amplitude. What is the amplitude of the current in the circuit
What is the magnitude and direction of the net magnetic eld at point b, which sits at the midpoint of the base of the triangle?
In a crash test, a 1100 kg car slams into a concrete wall at 17.1 m/s and comes to rest in 0.275 s. a)Find out the magnitude of the impulse delivered to the car.b) Find the average stopping force.
A motorcyclist intends to perform a stunt in which he jumps a river 25 meters wide. The motorcyclist must jump from a cliff on one side to a cliff 20 meters lower on the other side. How far will he travel in a horizontal direction
A light wave has a 660nm wavelength in air. Its wavelength in a transparent solid is 440nm. What is the speed of light in this solid
Calculate the magnitude of the force
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