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A square loop of wire with initial side length 10 cm is placed in a magnetic field of strength 0.5 T. The field is parallel to the axis of the loop. Somebody carefully grabs the edges of the loop and begins pulling them apart such that the area of the loop increases at a rate of 20 cm2/s. What is the magnitude of the induced EMF in the loop?
The engine of a motorboat delivers 29.8 kw to the propeller while the boat is moving at 18.0 m/s . What would be the tension in the towline
Electric eels generate electric pulses along their skin that can be used to stun an enemy when they come into contact with it. What power is delivered to the unfortunate enemy
Explain how does that compare with the heat needed to reaise the temp of the same mass of water through the same temp difference?
What is the kinetic energy of a ball of mass 16.1 kg at the apex (highest point) of its trajectory, if it is thrown with an initial speed of 45 mph and an initial angle of 42.8 o with respect to the horizontal?
A neutral sodium atom has an ionization potential of ? = 5.1 eV. What is the temperature T of a gas in which the average particle kinetic energy is just barely sufficient to ionize a sodium atom in its ground state?
question1the index of refraction for red light in water is 1.331 and that for blue light is 1.340. if a ray of white
Suppose an ideal gas is in a container 3L in volume and allowed to expand by having a piston move. The final volume after the piston moves is 15L. If the gas is at first at a pressure of 1×10^5 Pa and a temperature of 300 K, and temperature is mai..
A toy train with 1.2kg mass is moving at a stright line platform with the velocity 12m/s. It collides another toy train of 0.9kg mass with velocity of 7m/s. If e = 0.8, what is the velocity of each train after the collision.
a glass tube is attached to a water pipe,if the water pressure at the bottom of the tube is 120kpa and the local atmospheric pressure is 99kpa. determine how high the water will rise in the tube
A 494 g air-track glider attached to a spring with spring constant 7.5 N/m is sitting at rest on a frictionless air track. What is the period of the subsequent oscillations
An inductor is connected to a 12kHz oscillator that produces an rms voltage of 6.0V. The peak current is 60mA. What is the value of the inductance L
Jupiter has a radius of 71,492km and a mass of 1.9x10^27 kg. Jupiter's moon has a mass of 9x10^22kg and orbits at a distance of 422x10^3km. find the gravitational force on the moon due to Jupiter
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