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A uranium atom is ionized seven times, losing seven electrons inthe process. Its resulting mass is 3.90×10−25 kgand it is given a kinetic energy of 3000 eV. If it circles ina magnetic field at a radius of 5.00 m, what isthe strength of the magnetic field?
An object is located 14.0 cm in front of a convex mirror, the image being 7.50 cm behind the mirror. A second object, twice as tall asthe first one, is placed in front of the mirror, but at a different location.
A solid disk of radius 7.50 cm and mass 1.25 kg, which is rolling at a speed of 1.50m/s , How long will it take for the disk to come to a stop
a single phase 60 hz source supplies a 90 kva 0.8 power factor lagging load through a transmission line with impedance
A 1.5-kg playground ball is moving with a velocity of 3.0 m/s directed 30° below the horizontal just before it strikes a horizontal surface. find the magnitude of the average resultant force on the ball
The surface charge density on an infinite sheet is -2.0 x 10-6 coulomb. How far does the particle travel before reaching its turning point
A person stands on the edge of a cliff. She throws three identical rocks with the same speed. Rock X is thrown vertically upward, rock Y is thrown horizontally, which rock hits the ground with the highest speed
A rocket of total mass 3180 KG is travelling in outer space with a velocity of 115 m/s. To alter its course by 35.0°, how much mass must be expelled
A spring loaded ballistic pendulum gun requires an increasing force to load. When loading a ball of mass 0.056 kg, how high would ball rise if it was fired verticall upward
A current is flowing through a circuit and you open a switch. Why might a spark jump across the switch opening? Explain what is happening? What property of the circuit would be relevant to this phenomenon?
a crane on a dock lifts an 1107kg container 28m, swings it out over the deck of a freighter, and lowers the container into the hold of the freighter, how much work is done by the crane on the container
In the Bohr model of the hydrogen atom, the speed of the electron is approximately 1.80X106 m/s. Find the centripetal acceleration of the electron
One end of a rope is tied to a block of mass 3.10kg and you pull straight up on the other end of the rope to lift the block up off the ground with an acceleration of 3.80m/s^2
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