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Question: Modify this calculation to find the charge-to-mass ratio of the oxygen ion with charge -2e.
A beam of light shoots from air into a piece of glass. If the refracted angle is half of the incident angle, what is the incident angle
the spin cycles of a washing machine have two angular speeds 423 revmin and 640 rev min. the internal diameter of the
A block is attached to a ceiling by a spring fo force constant k. When pulled down and released the block undergoes simple harmonic motion. The amplitude is 2, and the frequency is 1/(16pi). If the mass of the block is 3.14 kg, what is the spring ..
What effect does the magnetic field have on the speed of the particle? What are the magnitude of the acceleration of the alpha particle while it is in the magnetic field?
Two 1.50V batteries -- with their positive terminals in the same direction-- are inserted in series into the barrel of a flashlight, What fraction of the chemical energy transformed appears asinternal energy in the batteries
A capacitor with an initial potential difference of 100 V isdischarged through a resistor when a switch between them is closedat t = 0. What is the time constant of the circuit
An aluminum rod is clamped one quarter of the way along its length and set into longitudinal vibration by a variable-frequency driving source. The lowest frequency that produces resonance is 4300 Hz. The speed of sound in an aluminum rod is 5100 m..
calculate the overall magnification of a compound microscope that uses an objective lens with a focal length of 0.50 cm
A 15 N horizontal force pushes a block weighing 4.8 N against a vertical wall, what is the force on the block from the wall
q1. a person whose eyes are h 1.64 m above the floor stands l 2.3 m in front of a vertical plane mirror whose bottom
Two beams of red and violet colours are made to pass separately through a prism of A = 60°. In the minimum deviation position, the angle of refraction inside the prism will be (A) greater for violet colour (B) 30° for both the colours
a 40 g block of of ice is cooled to -72 C and then is added to 650 g of water in an 80 g copper calorimeter at a temperature of 24C, determine the final temperature of the system consisting of the ice
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