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A generator has a 150-turn square coil, 4cm on a side.
a) Find the peak emf in this coil when it's rotating at 110Hz in Earth's field, B = 5 x 10^-5 T. Express your answer to one significant figure and include the appropriate units.
b) Find the peak emf in this coil when it's rotating at 110Hz in a strong 6.6T field. Express your answer to one significant figure and include the appropriate units.
Two converging lenses having focal lengths of f1 = 11.1 cm and f2 = 20.0 cm are placed = 50.0 cm apart, How far to the left of the first lens should the object be positioned
A string with linear density 2g/m is stretched along the positive x-axis with tension 20 N. One end of the string, at x = 0, is tied to a hook that oscillates up and down at a frequency of 100 Hz with a maximum displacement of 1.0 mm. At t = 0s, t..
During an Apollo lunar landing mission, the command module continued to orbit the Moon at an altitude of about 111 km. How long did it take to go around the Moon once
q1. a wheel 66.0 cm in diameter accelerates uniformly from 211 rpm to 395 rpm in 7.5 s. how far will a point on the
After the NEAR spacecraft passed Mathilde, on some occasion's rocket propellant was expelled to adjust the spacecraft's momentum in order to follow a path that would approach the asteroid Eros, final destination for the mission.
Two resistors connected in series have an equivalent resistance of 710.1 ?. Find the resistance of each resistor
the drawings show three charges that have the same magnitude but may have different signs. in all cases the distance d
q1. oxygen o2 gas within a piston-cylinder assembly undergoes an expansion from a volume v1 0.02 m3 to volume v2 0.03
A child holds a candy bar 10.0 cm in front of a convex mirror andnotices that the image is only one-half the size of the candy bar. What is the radius of curvature of the mirror?
Some bacteria are propelled by biological motors that spin hair-like flagella. How long does it take the motor to make one revolution
in the electron gun pictured a potential difference of 12.0 kv is found to bring electrons from rest at the cathode to
A can of soup has a mass 420 g, height 13 cm, and diameter 5.6 cm. Calculate the moment of inertia of the can if it takes 1.5 s to reach the bottom of the incline
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