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A 50 turn square coil has an area 15.0 cm2 and is rotated with an angular speed of 80.0 rads in a uniform 0.40 T magnetic field. The axis of the coil is perpendicular to the field at all times. What is the frequency of the sinusoidal voltage induced across its ends?
Suppose someone is running towards a siren which is at rest. The siren emits a frequency of 400 Hz. What will the person hear
In 1911, Ernest Rutherford and his assistants Geiger and Marsden conducted an experiment in which they scattered alpha particles, What is the smallest distance between the alpha particle and the nucleus before the alpha particle reverses direction
Two resistors of 7.0kohms and 10.0kohms are connected in series. A 4.0kohm resistor and a 9.0kohm resistor are connected in series to each other, What is the equivalent resistance of the resistors
A spherical concave lens has a focal length of 40 cm, and an object is placed 20 cm from the lens. Draw a ray diagram. (Submit a file with a maximum size of 1 MB.) Estimate the image distance
(a)For a satellite to be in a circular orbit 660 km above the surface of the earth, what orbital speed must it be given (b)What is the period of the orbit (in hours)
A metal must absorb radiation with a minimum frequency of 1.94 e15 Hz before it can emit an electron from its surface via the photoelectric effect, find the speed of the photo-electrons
Is kinetic energy of a system conserved when two objects collide and stick together? What about the momentum of the system? What kind of collision is this (elastic or inelastic )?
A cart of mass 240 g is placed on a frictionless horizontal air track. A spring having a spring constant of 6.5 N/m is attached between the cart and the left end of the track. Find the period at which it oscillates
A boy throws a stone horizontally from the top of a cliff of height h toward the ocean below. find the speed of the stone immediately before it reaches the ocean
Find the maximum altitude reached by the rocket.Find its total time of flight.
A wrecking ball is hanging at rest from a crane when suddenly the cable breaks, Find the time it takes for the ball to fall from rest all the way to the ground
a box rests on a frozen pond which serves as a frictionless horizontal surface. if a fisherman applies a horizontal
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