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(a) The captain of a ship grabs hold of the wheel with one hand a distance of 0.285m from the axis of rotation to adjust the rudder. Assuming that he is pushing with a force of 29.6N perpendicular to axis of rotation, what is the magnitude of the torque?
(b) Later on the wind is calm and the oars are necessary to move the boat. A rower with his arms outstretched initially has the oar at 75.1o from the direction he is pulling. If he pulls with a force of 96.7N, then what is the magnitude of the initial torque for an oar that is grabbed a distance of 1.85m from the pivot point?
A distant galaxy is moving away from the earth with a speed that results in each wave- length received on the earth being shifted, Find the speed of the galaxy relative to the earth
The time-varying current in an LC circuit where C = 11.5?F is given by i(t) = (1.30 A) sin (1230t), where t is in seconds.
An aircraft weighing 849?N is accelerated?at 7?m/s2 for?13 seconds, at which time the aircraft launches.? How much work was done on the aircraft
A double slit experiment has two different colors. The second-order bright fringe using 650nmred light is in the same place as the third-order bright fringe of the other color
Two charged balls are 20.0 cm apart. They are moved, and force on each of them is tripled. How far apart are they now.
At what average rate does the force from the cable. A falling skydiver has a mass of 54.5 kg. What is the magnitude of the skydiver's acceleration when the upward force of air resistance has the magnitude that is equal to one-fourth of his weight.
A thin 11-cm-long solenoid has a total of 440 turns of wire and carries a current of 1.9A, Calculate the field inside the solenoid near the center
A parallel plate capacitor is made with plates of 10 cm on a side, situated 0.1mm apart. what is the energy stored on the capacitor
A major motor company displays a die-cast model of its first automobile, made from 5.14 kg of iron. What mass of gold is needed to make the new model
You roughly estimate that the roommate shines light rays on to the water at an angle of 52.1°. You know that air has an index of refraction of 1.0. Determine the index of refraction of the unknown liquid
The Young's modulus (for compression) for a section of compact bone in the femur is 10 GPa. what strain results from this compression
A 5 kg object is dropped from rest 2.5m above the ground. What is the kinetic energy of the object just before it hits the ground
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