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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?
A pendulum is not perfect simple harmonic motion. derive theequation for the period of a pendulum from the equation for theperiod of a simple harmonic spring oscillator and Hooke's Law.
a 15mw energy laser has a beam exit diameter of 2cm and beam divergence of 0.0002radians.anbspnbspcalculate the power
A 4.00-kg cylindrical reel with aradius of 0.600 m and a frictionless axle, starts from rest andspeeds up uniformly as a 2.00-kgbucket falls into a well, What is the linear acceleration of the falling bucket
a popular entertainment at some carnivals is the blanket toss.a if a person is thrown to a maximum height of 28.0ft
A child ties a rock to a string and whirls it around in a horizontal circle. Find the period of its uniform circular motion
A 17 cm radius air duct is used to replenish the air of a room9.2 m x 5.0 m x 4.5 m every ten minutes. How fast does the air flowing the duct
A luggage handler pulls a suitcase of mass 16.7kgup a ramp inclined at an angle 29.0? above the horizontal by a force F? of magnitude 147N that acts parallel to the ramp. Calculate the work done on the suitcase by the normal force
A 4.60-kg ball is dropped from a height of 10.0m above one end of a uniform bar that pivots at its center. How high will the other ball go after the collision
If the coefficient of friction between the sled's runners and snow is 0.055 and the boy and sled together weigh 540 N, how far does the sled travel on the level surface before coming to rest
two billiard balls have velocities of 2.0 m/s and -1.0 m/s when they meet in an elastic head-on collision. What is the final velocity of the first ball after collision
an oil-filled capacitor has square parallel plates 23 cm on a side separated by 0.48 mm. when the capacitor is charged
q1. a certain elevator cab has a total run of 171 m and a greatest speed is 4.75 msec and it accelerates from rest and
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