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In order to determine the mass of a molecule, first an electron is removed from the molecule. The resulting ion is accelerated from rest by an electric potential difference 2.7 104 V and then enters perpendicularly a uniform magnetic field whose magnitude is 0.89 T. Its trajectory in the magnetic field is measured to be a circle of radius 0.15 m.
(a) What is the magnitude of the centripetal force exerted on the ion?
(b) What is the speed of the ion?
(c) Find the mass of the ion.
A person weighing 700N on a wire. find the tension force in the two segments of the wire. left wire 20 degrees and right wire 40 degrees.
An infinitely long wire is formed as in the diagram on your assignment. It is formed so that it has a circular portion of R = 50cm and the straight portion is located at a distance r from the center of the circular portion. Determine r (in cm) suc..
Car has the mass M = 1100kg at 60.0 km/hour. What is the radius of the turn if theta = 20.0 degrees
What is the direction of the object's acceleration after it is free. What is the magnitude of the objects acceleration.
A narrow beam of sodium yellow light with wavelength 589 nm in vacuum, Determine the wavelength of the light in water
A centrifuge in a medical laboratory rotates at an angular speed of 3,700 rev/min. Find the constant angular acceleration (in rad/s2) of the centrifuge
If you apply a 4 N force on a string wrapped around an object that has an inertia of 0.03 \mathrm{kg\:m}^2 , what is the angular acceleration you expect from the falling object
A neutron star has a mass of 2.0*10^30 kg (about the mass of our sun) and a radius of 5.2*10^3 m (about the height of a good-sized mountain). assume an object falls from rest near the surface of such a sta
When your friend is riding a 6.50-kg bicycle, the weight is supported more on the back tire and less on the front tire. what is your friend's weight
A 60 kg woman in an elevator is accelerating upward at 1.2 m/s^2. what is the normal force pushing upward on her feet
Your beighbor has a cute Bichon-Frise puppy. assume air is 80% Nitrogen and 20% Oxygen, how many grams of air does the tire contain
Nichrome wire of cross-sectional radius 0.758 mm is to be used in winding a heating coil. find the length of wire you must use to wind the coil
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