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An electron with a speed of 3.6105m/s enters a uniform magnetic field of magnitude0.057T at an angle of 35° to the magnetic field lines. The electron will follow a helical path.
(a) Determine the radius of the helical path.
(b) How far forward (parallel to the magnetic field lines) will the electron have moved after completing one circle?
A golf ball is struck at ground level. The speed of the golf ball as a function of the time, How far does the golf ball travel horizontally before returning to ground level
A 1.5kg rock is whirled around in a flat circle at the end of an 85cm string. It has a linear speed of 1.80 m/s. What is the centripetal force that is acting on the rock
Water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10 electrons. What is the net charge of all these electrons
A hollow spherical shell has mass 8.00 and radius 0.225. It is originally at rest and then rotates about a stationary axis that lies along a diameter with the constant acceleration of 0.905. What is the kinetic energy of the shell after it has turned..
If its length is 49.8 m when measured from inside the spacecraft, what is its length measured by a ground observer
Physics: Simple Harmonic Oscillator, Traveling waves are set up in a pair of long strings by a simple harmonic oscillator. The strings have identical mass densities of 5.1 grams/meter.
A flight attendant pulls her 72.0 N flight bag a distance of 282 m along a level airport floor at a constant speed. The force she exerts is 33.0 N at an angle of 52.0° above the horizontal.
Over a certain region of space, the electric potential is V = 4.2x-3.6x^2y+1.5yz^2. On scratch paper, What is the magnitude of the field at the point P
In a piston cylinder assembly , the pressure and the tempreture of air are 200 KPa and the 500 c initially. The piston cross-sectional area is 0.2 m^2.The air is now cooled. what is the pressure in the cylinder
A generator delivers an AC voltage of the form ?v = (64 V) sin (75?t) to a capacitor. The maximum current in the circuit is 1.50 A. Find the rms voltage of the generator
A typical wall outlet voltage is 120 volts in the United States. calculate the number of turns on the secondary coil of the adapter transformer
a golfer tees off on the fourth hole on a level golf course, giving the ball an initial speed of 42.0 m/s and an initial direction of 35 degrees above the horizontal. How far from the golfer does the ball land
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