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A dentist uses a mirror to examine a tooth that is 1.25 cm in front of the mirror. The image of the tooth is formed 5.0 cm behind the mirror.
(a) Determine the mirror's radius of curvature.
___ cm
(b) Determine the magnification of the image.
___ x
A skater of mass 86.0 kg initially moves in a straight line at a speed of 4.70 m/s. what is the skater's final velocity
A bar magnet is oriented with its magnetic dipole moment at 57.3° to the direction of a 0.0357-T magnetic field, Find the magnitude of the magnet\'s magnetic dipole moment
Consider a harmonic, electromagnetic plane wave traveling along a line from the origin to the point (3,5,6). It is linearly polarized , Compute the irradiance of the wave
A circular coil of 57 loops and diameter 30.0cm is lying flat on a tabletop, and carries a clockwise current of 1.90A . A magnetic field of 0.370T , What is the torque on the coil
A baseball (m = 137 g) approaches a bat horizontally at the speed of 40.6m/s (91 mi/h) and is hit straight back at a speed of 45.1m/s (101 mi/h). If the ball is in contact with the bat for a time of 1.00 ms, what is the average force exerted on the..
As a result of the friction of tides, the earth rotates more slowly as time progresses. What is the torque(N*m) acting on the earth
An assembly line has a staple gun that rolls to the left at 1.1 m/s while parts to be stapled roll past it to the right at 3.8 m/s. How far apart are the staples in the finished part
A thin spherical shell of mass 0.25 kg and radius 0.15 m is released from rest from the top of a 3.0-m high ramp. What would the linear speed be at the bottom
A whale swims due east for a distance of 3.8 km, turns around and goes due west for 7.9 km, What is the total distance traveled by the whale
A thin spherical copper shell of radius 9.5 cm carries an excess charge of -4.2 nC. How many excess electrons are on the outer surface of the shell
A fisherman accidentally steps off the ledge of a 4.0 meter-high dock and falls into the lake below the dock. what is the fisherman's speed on entering the water
n undamped 1.47-kg horizontal spring oscillator has a spring constant of 25.1 N/m, What is the oscillator\'s total mechanical energy as it passes through a position that is 0.651 of the amplitude
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