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An 3.90 millimeter tall object is 21 centimeter from the center of a silvered spherical glass Christmas tree ornament 5.75 centimeter in diameter.
Part A) Estimate the position of its image?
(in cm)
Part B) Evaluate what is the height of its image?
(in mm)
A 5.80 m length of 2.0 mm diameter wire carries a 750 mA current when 22.0 mV is applied between its ends. determine the electric field inside the wire
A pinhole camera is made from an 85cm -long box with a small hole in one end. If the hole is 5.4m from a 1.7m -tall person, how tall will the image of the person on the film be?
a disk of radius 1.2 cm has a surface charge density of 7.0 microcm2 on its upper face. what is the magnitude of the
A radio telescope, whose two antennas are separated by 55 , is designed to get 3.0- radio waves produced by astronomical objects.
A solid uniform 38.9kg ball of diameter 36.2cm is supported against a vertical frictionless wall using a thin 30.0cm wire of negligible mass. how hard does the ball push against the wall
By what percent must one increase the tension in a guitar string to change speed of waves on the string from 327 m/s to 376 m/s.
A proton with a speed 1.5 x 10^5 m/s falls through a potential difference of 100 volts, gaining speed. What is the speed reached
A fireman 54.0 m away from a burning building directs a stream of water from a ground-level fire hose at an angle of 22.0° above the horizontal. at what height will the stream of water strike the building
When a wheel is rotated through an angle of 35o, a point on the circumference travels through an arc length of 2.5 meter. Find what is the radius of the wheel
A skydiver of 75 kg mass has a terminal velocity of 60m/s. At what speed is the resistive force on the skydiver half that when at terminal speed
a baseball has a mass of about 155 g. what is the magnitude of the momentum of a baseball thrown at a speed of 98 miles
A cyclotron designed to accelerate protons has a magnetic field of magnitude 0.470 T over a region of radius 1.40 m. What is the maximum speed acquired by the protons
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