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In a model AC generator, a 501 turn rectangular coil 10.0 cm by 23 cmrotates at 123 rev/min in a uniformmagnetic field of 0.6 T.
a) What is the maximum emf induced in the coil?b) What is the instantaneous value of the emf in the coil att = (π/32) s?Assume that the emf is zero at t = 0.c) What is the smallest value of t for which the emf will have its maximum value?
the armature of a simple ac generator has 30 circular loops of wire each with a radius of 10 cm. it is rotated with a
The Moon's mass is 7.36x10^22 kg and its assumed circular orbit has radius 3.84x10^8 and a period of 27.3 days. Find the moons kinetic energy.
The lowest outdoor temperature ever recorded on Earth was %u2212128.6 %u25E6F, recorded at Vostok Station, Antarctica, in 1983. What is this temperature on the Kelvin scale
A drop of unknown liquid is placed at the point on a glass surface where internal reflection is occurring at ? = 48°. What is the refractive index of the liquid
On a frictionless horizontal surface, a 1.50 kg mass traveling at3.50 m/s collides with and sticks to 3.00 kg mass that isinitially at rest. How much mechanical energy is lost during the process
A cylinder of cross-sectional area 11 cm2 is fitted with a piston, which is connected to a spring with a spring constant of 1250 N/m, as shown in the figure. The cylinder is filled with 0.0050 mole of a gas.
Starting from rest, a 12 cm diameter compact disk takes 2.4 s to reach its operating angular velocity of 2030 rpm. How much torque is applied to the disk
two billiard balls with the same mass m move toward one another. ball one moves in the positive x-direction with a
An ideal gas, Cp = (7/2)R, is heated in a steady-flow heat exchanger from 70°C to 190°C by another stream of the same ideal gas which enters at 320°C. The flow rates of the two streams are the same, and heat losses from the exchanger are negligibl..
Consider the circuit made of a R = 100 resistor, voltage source V , and fuse F. The fuse breaks if the instantaneous current in the circuit reaches 1 A. Which of the following voltage sources can be used in the circuit without breaking the fuse?
A marble is thrown horizontally with a speed of 13 m/s from the top of a building. From what height above the ground was the marble thrown
Four identical charges (+1.7 %u03BCC each) are brought from infinity, compute the electric potential energy of this group
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