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A circular loop of radius 21 cm is located in the plane of the paper inside a homogeneous magnetic field of 0.7 T pointing into the paper. It is connected in series with a resistor of 289 ?. The magnetic field is now increased at a constant rate by a factor of 2.8 in 15.0 s.
Calculate the magnitude of the induced emf in the loop in V during that time.
Calculate the current induced in the loop in A during that time.
Calculate the average induced voltage, in V, when the magnetic field is constant at 1.96 T while the loop is pulled horizontally out of the magnetic field region in 1.5 s at constant speed.
The graph of two cars that collide shows that they intersect at a point 5.5m on a distance/time graph. The first car has a velocity of 0.39m/s. what does the steepness of the slope indicate
You hang different masses M from the lower end of a vertical spring and measure the period T for each value of M. What is the mass of the spring
A 72-kg base runner begins his slide into second base when he is moving at a speed of 3.9 m/s. How far does he slide
A hotel elevator ascends 140 {rm m} with a maximum speed of 4.59 {rm m/s}. Its acceleration and deceleration both have the magnitude of 1.93 {rm m/s^2}. How long does it take to make complete trip from bottom to top.
sound of a single frequency is sent into the system of pipes, one straight, the other consisting of two semi-circular paths of radii 20cm and 30cm. what is the lowest frequency that produces an intensity maximum on the output side
The distance between deer B and C is 92 m. What is distance between deer A and C.
A particular amplifying device supplies electrons in a manner such that the current passing out of the device, Determine the charge that passes out of the device if left on for 30 seconds
An object of height 4.7 cm is placed 47 cm from a convex mirror of focal length having magnitude 39 cm. describe the properties of the image
The figure below shows a mercury barometer. Consider two barometers, one using mercury and another using an unknown liquid. estimate the density of the unknown liquid
A 51.1 kg bungee jumper jumps off a bridge and undergoes simple harmonic motion. what is the spring constant of the bungee cord
A merchant in Katmandu sells you a solid gold 1 kg statue for a very reasonable price. When you get home, you wonder whether or not you got a bargain, and so you lower the statue into and container of water and measure volume. What volume of displ..
Four moles of an ideal gas undergo a reversible isothermal expansion from volume V1 to volume V2 = 5V1 at temperature T = 400K. Find the entropy change of the gas
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