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A metal rod of length 18.6 centimeter and mass 106 gram is free to slide over two parallel, horizontal metallic rails connected to a 10 Volt battery. The battery has internal resistance of 0.100 ohm, and the rod and rails have negligible resistance. A 1.80 T magnetic field is directed perpendicular to the plane of the circuit.
Calculate the magnetic force on the rod?
Determine the rods speed after it has moved 31.8 centimeter, assuming negligible friction.
A coin rests on the bottom of a beaker filled with an unknown liquid. A ray of light from the coin travels to the surface of the liquid and is refracted as it enters into the air. How fast is the light traveling in the liquid
A 0.43 kg soccerball is kicked with a velocity of 25 m/s at an angle of 37 degrees above the horizontal. What is the kinetic energy at the peak of its trajectory
A gas, while expanding under isobaric conditions, does 500 J of work. The pressure of the gas is 1.6 105 Pa, and its initial volume is 1.60 10-3 m3
Light with a wavelength of 4.5 x10-5 cm passes through a single slit and falls on a screen 100 cm away. If the slit is 0.015 cm wide, what is the distance from the center of pattern to first dark band.
Two microscope slides are placed together but held apart at one end by a thin piece of tin foil. Under mercury green light (546 nm) normally incident on the air film formed between the slides, Determine the thickness of the foil
A heavy ball is dropped into a lake from a height of 30.0 m above the water. It hits the water by a certain velocity and continues to sink to the bottom of the lake at this same constant velocity. It reaches the bottom of the lake 10.0 s after it was..
A glass plate 2.5 cm long is separated from another glass plate by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands
A ball rolls from rest down a roof without slipping. the roof has pitch of 30 degree until there is a flat, horizontal section near the edge of the roof. what was its angular momentum when it left the roof
find the resistance of the following. power ratings are based on the assumption of a potential difference of 120 v rms
If a discus thrower rotates through the last 46 degrees of a turn in 0.11 seconds and the distance from the axis of rotation to the center of the discus is 1.22m
At what angle must the projectile be fired to hit a target positoned at a range 10km away if the initial speed of the projectile is 500ms
four protons are placed at the corners of a square of side length a 1.0 angstrom. the square is in the x y quadrant of
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