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A rectangular coil with dimensions of 8.0 cm×10 cm is dropped from a zero magnetic field position to a 1.4 T magnetic field in 0.10 s. The coil has 60 turns and is perpendicular to the magnetic field. What is induced emf in the coil as a result of this?
For a damped oscillator with a mass of 240 g, a spring constant 59 N/m and a damping coefficient of 75.00 g/s, what is the ratio of the amplitude of the damped oscillations to the initial amplitude at the end of 12 cycles.
An underwater scuba diver sees the Sun at an apparent angle of 38.0° from the vertical. What is actual direction of the Sun
a 85-kg sprinter accelerates from rest to a speed of 10.0 m/s in a 5.0 s. calculate the average power the sprinter must generate
Water comes down the spillway of a dam from an initial vertical height of 170 m. What is the highest possible speed of the water at the end of the spillway
Calculate the force on a 1 meter long length of wire carrying a 5 amp current in a magnetic field of .75 teslas that act perpendicular to the wire. determine the change in the acting force on the wire
A 44.0-kg projectile is fired at an angle of 30.0° above the horizontal with an initial speed of 1.24 102 m/s from the top of a cliff 126 m above level ground, What is the initial total mechanical energy of the projectile
As the drawing illustrates, a siren can be made by blowing a jet of air through 20 equally spaced holes in a rotating disk. What must be the angular speed in radians per second of the disk
A square metal plate 0.180 m on each side is pivoted about an axis through point O at its center and perpendicular to the plate. Calculate the net torque about this axis due to the three forces shown in the figure if the magnitudes of the forces are ..
A car of mass 2,000 kg is initially traveling at a speed of 30 m/s. estimate the change in the kinetic energy of the car
The earth's magnetic field, with a magnetic dipole moment of 8.0×1022A?m2 , is generated by currents within the molten iron of the earth's outer core. What is the current in the current loop
two movers push horizontally on a refrigerator. one pushes due north with a force of 150 n and the other pushes due
What is the charge on the drop. A 13 kg child on a playground swing moves with a speed of 3.6 m/s when the 6.0 m long swing is at its lowest point. What is the angle that swing makes with the vertical when the child is at the highest point.
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