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We move a square loop of wire 2.1 cm on a side into a region of uniform magnetic field of 1.0 T with the plane of the loop perpendicular to the direction of the field. The loop is moving with a constant velocity of 2.0 m/s into the field region starting from a point outside the field. If the loop has a resistance of 3 ohms, find the force on the loop as it just enters the magnetic field region. (Enter the magnitude.)
You throw a stone vertically upward with an initial speed of 6.0 m/s from a third-story office window, Find the time the stone is in flight
If the mass of the diver is 84 kg and the board is 1.5 m long, illustrate what is the magnitude of the torque due to gravity on the diving board with a pivot point at the fixed end of the board?
When a 5.5 cm long pencil is arranged perpendicular to a convex mirror's optical axis at a distance of 29 cm from the mirror, its image is 2.8 cm tall. (a) What is the mirror's focal length? (b) How tall is the pencil's image if the pencil is move..
A 40.0 µF capacitor is connected to a 50.0 resistor and a generator whose rms output is 30.0 V at 60.0 Hz. Find the following values: The rms voltage drop across the capacitor
assume the roller coaster (h1 = 32 m, h2 = 11 m, h3 = 20) passes point A with a speed of 3.50 m/s. If the average force of friction is equal to one fifth of its weight, with what speed will it reach point B? The distance traveled is 30m.
Find out the position at which a third charge can be placed.
An electric motor turns a flywheel by a drive belt that joins a pulley on the motor and a pulley that is rigidly attached to the flywheel. The flywheel is a solid disk with a mass of 50.0kg and a diameter of 1.00m.
A certain spring is found not to obey Hooke's law; it exerts a restoring force Fx(x)=??x??x2 if it is stretched or compressed, Calculate the potential energy function U(x) for this spring. Let U=0 when x=0
A baseball approaches home plate at a speed of 46.0 m/s, moving horizontally just before being hit by a bat. What is the average vector force the ball exerts on the bat during their interaction
Two small insulating spheres with radius 9×10-2 are separated by a large center-to-center distance of 0.52. One sphere is negatively charged.
A uniform magnetic field is at right angles to the plane of a wire loop. The field decreases by 0.16Tin 3.0×10?3s and the magnitude of the average emf induced in the loop is 82V, What is the area of the loop
What work is done by the electric forc. begin from rest, a boat increases its speed to 4.00 m/s with constant acceleration. What is the boat's average speed.
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