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A coil consisting of N = 100 loops of wire with radius R = 10 cm is initially oriented so that its plane is perpendicular to the magnetic field B = 0.01 T. During the time interval (change in time = 0.1 s), the coil is rotated by the angle at 10 degrees. What is the average EMF induced in the coil?
A man stands on the roof of a building of height 13.0and throws a rock with a velocity of magnitude 30.0 at an angle of 34.9 above the horizontal. You can ignore air resistance. Calculate the maximum height above the roof reached by the rock.
Three capacitors in series, with capacitance 3.0micro Farads,5.0 and 6.0 are connected in series to a 21.0V independent voltagesource. what charges are on the plates of each capacitor
A position vector in the first quadrant has an x component of 8 m and a magnitude of 10 m. What is the value of its y component?
Consider an infant who weighs 100 newtons. During each year she grows so that each dimension of her body increases by 5%. How much would she weigh then.
A transformer is to be used to provide power for a computer disk drive that needs 6.0 V (rms) instead of the 120 V (rms) from the wall outlet. The number of turns in the primary is 420, and it delivers 500 mA (the secondary current) at an output v..
A building made of concrete is gauged to be 425 m tall when it is -23°C outside. How much taller will it be when the temperature reaches 41°C? (In cm)
Consider a thick spherical shell of inner radius R/2 and outer radius R. Calculate the total electrostatic potential energy of the thick shell
You have 19m of wire, which you want to use to construct a 41cm diameter coil whose magnetic field at its center will exactly cancel the earth's field of 0.55 gauss. What current will your coil require
what is the maximum mass it can support in freshwater. find the maximum height of the projectile is equal to its horizontal range.
A parachutist descending at the speed of 25 m/s loses a shoe at an altitude of 50 m. (Assume the positive direction is upward.)
q. a small remote-control car with a mass of 1.7 moves at a constant speed of 12.0 in a vertical circle inside a
A spinning flywheel has rotational inertia I = 417 kg·m2. Its angular velocity decreases from 19.5 rad/s to zero in 320 s due to friction. What is the frictional torque acting? Take positive to be "with the flywheel's rotation", and negative to be "o..
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