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A proton moves from a location where V =93 V to a spot whereV = -22 V.
a) What is the change in the proton's kineticenergy?b) If we replace the proton with an electron, what is the changein kinetic energy?
1 a michelson interferometer is illuminated with a normal monochromatic beam of light. when one of the mirrors of the
two displacement vectors of magnitudes 21 cm and 79 cm are added. which one of the following is the only possible
The gravitational acceleration on the Moon is a sixth of that on Earth. The weight of an apple is 1.03 N on Earth. (a) What is the weight of the apple on the Moon? (b) What is the mass of the apple?
Chicago is located at 37.5 degrees north of the equator. What is chicagos linear velocity due to the Earth spinning on its axis
Your taking a trip to a mysterious island where the temperature this time of year is usually about 230k. What is the temperature on the Fahrenheit scale
A 100 cm long, 1.2 mm diameter steel guitar string must be tightened to a tension of 1700 N by turning the tuning screws. By how much is the string stretched
The length of a simple pendulum is 0.72 m, the pendulum bob has a mass of 295 g, and it is released at an angle of 12° to the vertical. What is the pendulum bob's speed when it passes through the lowest point of the swing
A proton moves through a magnetic field at 20.3% of the speed of light. obtain the magnitude of the magnetic force acting on the proton
imagine that you fire a proton at the nucleus of a gold atom which contains 79 protons and 118 neutrons. what does the
a small charged pith ball is suspended 2 cm above a second charged pitch ball resting on an insulated surface. what charge must be on the upper ball to lift the lower ball
A small motor is mounted on the axis of a space probe with its rotor (the rotating part of the motor) parallel to the axis of the probe. Through how many revolutions has the rotor turned
A kayaker needs to paddle north across a 100m wide harbor. The tide is going out, creating a tidal current that flows east at 2 m/s. The kayaker can paddle with a speed of 3 m/s.
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