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Consider the mass spectrometer shown schematically in the figure below. The electric field between the plates of the velocity selector is 4900 V/m, and the magnetic fields in both the velocity selector and the deflection chamber have magnitudes of 0.0690 T. Calculate the radius r of the path for a singly charged ion with mass m = 4.29 10-26 kg.
A 13.6 kg object on a horizontal frictionless surface is attached to a spring with k = 519 N/m. find the initial potential energy of the block-spring system
How many J of energy must be removed when 156 g of steam, at a temperature of 175.0 °C, is cooled and frozen into 156 g of ice at 0 °C.
The electric field midway between two equal but opposite point charges is 878N/C , and the distance between the charges is 25.0cm. What is the magnitude of the charge on each (in C)?
State clearly the difference (a) between electric potential and electric field, (b) between electric potential and electric potential energy.
A ball with a horizontal speed of 1.25m/s rolls off a bench 1.00m/s above the floor. how long does it take to reach the floor.How far from a point on the floor directly below the edge of the bench would the ball land.
Two 14.0cm -diameter electrodes 0.50cm apart form a parallel-plate capacitor, What is the potential difference between the electrodes after insulating handles are used to pull the electrodes away from each other until they are 1.9cm apart
Biological muscle cells can be thought of as nanomotors that use the chemical energy of ATP to produce mechanical work. How much work is done by such proteins
The entrepreneur who founded the company is convinced that sales will increase next year by 150% and that net operating income will increase by 400%, with no increase in average operating assets. Illustrate what would be the company's ROI?
A uniform 3.15-kg rope 25.6 m long lies on the ground at the top of a vertical cliff. What was the change in potential energy of the rope during this maneuver
estimate the speed of the car just before braking. how much time passes before the brick lands on the ground..
Two insulated wires, each 2.94 m long, are taped together to form a two-wire unit that is 2.94 m long. One wire carries a current of 8.36 A, What is the current I
A uniform electric field of magnitude 380 N/C pointing in the positive x-direction acts on an electron, which is initially at rest. The electron has moved 2.60 cm. (a) What is the work done by the field on the electron? J (b) What is the change in..
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