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An astronaut who is repairing the outside of her spaceship accidently pushes away a 98.9-cm-long steel rod, which flies off at 10.5 m/s, never to be seen again. As it happens, the rod is oriented perpendicularly to the magnetic field in that region of space and moves perpendicularly to its length. The magnetic field strength there is 6.93 mT. What is the magnitude of the EMF, in millivolts, induced between the ends of the rod?
a car driving on the turnpike accelerates uniformly from 84.0 ft/s (57.3 mph) to 112 ft/s (76.4 mph) in 3.60s. what is the cars acceleration
two blocks connected by a light cord over a pulley. This apparatus is known as an Atwood's machine. what is the speed of the lighter block
An electron accelerated from rest through the voltage of 500V enters a region of constant magnetic field. If the electron follows a circular path with a radius of 17cm, what is the magnitude of magnetic field.
A cord of length 1.0m has two equal-length sections with linear densities of 0.50 kg/m and 1.00 kg/m The tension in the entire cord is constant. What is the ratio of the oscillatory frequencies
A steel cable has a cross-sectional area 3.44 × 10-3 m2 and is kept under a tension of 3.33 × 104 N. At what speed does a transverse wave move along the cable
A 400lb woman stands on a floor in flat soled shoes. Which person is more likely to dent the floor
A capacitor has a surface charge density of 5 micro-coulombs/m2. What is the amount of the electrical force on the point charge
A bungee cord is stretched between two poles with a force of 434 N. What is the velocity of a wave on this bungee cord
A hand grenade is thrown with a speed of v0 30 m/s, and a 60 degree angle with x-axis, just prior to exploding. It breaks into two pieces of equal mass after the explosion. One piece has a final velocity of 40 m/s along x. Find the velocity of t..
A satellite with 2 rectangular solar cells wings with A=60m2, when the wings normally face the sun with an intensity I=1200 W/m2, how much force on the satellite due to the sunlight
a cylinder of diameter d floats with l of its length submerged. The total height is L. What is the frequency of oscillation
Two point charges are fixed on the y axis: a negative point charge q1 = -26 µC at y1 = +0.20 m and a positive point charge q2 at y2 = +0.38 m, Determine the magnitude of q2
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