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A singly charged positive ion has a mass of 2.65 10-26kg. After being accelerated through a potential difference of266 V, the ion enters a magnetic fieldof 0.510 T, in a directionperpendicular to the field. Calculate the radius of the path of the ion in the field.
A 1200-turn coil of wire that is 2.0cm in diameter is in a magnetic field that drops from 0.14T to 0 T in 11ms. What is the emf of the coil
A 890-Hzsounds travels through pure hydrogen. The wavelength of the sound is measured to be 1.44 m, What is the speed of sound in hydrogen
In the figure, a string, tied to a sinusoidal oscillator at P and running over a support at Q, is stretched by a block of mass m. Separation L = 1.2 m, linear density ? = 1.8 g/m, and the oscillator frequency f = 100 Hz. The amplitude of the motio..
The 60kg cradle A is carrying the 12 kg pipe B at the speed of 8 m/s when it hits the rigid wall. suppose all the impacts are plastic, determine the speed of the pipe immediately after the impacts. Neglect friction.
The sound level measured 5.2 m away from a jet engine is 140 dB. At what distance is the sound level exactly half
Suppose he hits the ball with a speed of 29 m/s at an angle of 26° above the horizontal. Explain how long was the ball in flight? How far did it travel?
In being launched from rest it moves through a distance of 87.00 m and has a kinetic energy of 4.5*10^7 J at lift-off. What is the work done on the jet by catapult.
You are a secret agent and find that you have been pushed out of an airplane without a parachute. what is your new terminal velocity with the coat
An old-style TV set places 20 kV across two plates of a parallel plate capacitor. What is the speed of the electron when it exits the hole in the plate
an arbituary shape of copper holds excess charge that is in static equilibrium. In which direction does the electric field, created by the excess charge, point at an exterior portion of the copper chape
q1. what mass in grams of steam at 100degc should be mixed with 257 g of ice at its melting point in the thermally
An automobile emits 20 lbs of CO2 per gallon of gasoline burned. If the U.S. burns 200 million of gallons of gasoline every year, how many billions of lbs of CO2 are emitted every year?
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