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The electron and proton in a hydrogen atom are separated by a distance of approximately 5.3x10^(-11) m. Discover the magnitudes of the electric force and the gravitational force among the two particles.
If a drop is to be deflected a distance = 0.28 by the time it reaches the end of the deflection plate, what magnitude of charge should be given to the drop? Imagine that the density of the ink drop is 1000 and ignore the effects of gravity.
A parachutist of 60 kg descends at a constant speed of 4.4 m/s. What is the rate of increase of entropy of the parachute
A fuel pump sends gasoline from a car's fuel tank to the engine at a rate of 6.74x10-2 kg/s. find the speed at which gasoline moves through the fuel line
a transparent oil with index of refraction 1.29 spills on the surface of water index of refraction 1.33 producing a
The displacement of a harmonic oscillator is given by y = 7.1 sin(25t), where the units of y are meters and t is measured in seconds. Evaluate what is its maximum velocity
A parachutist falls 50.0 m without friction. When the parachute opens, he slows down at a rate of 35 m/s^2. how long was he in the air
When a 23.0-V emf device is placed across two resistors in series, a current of 14.0 A is flowing in each of the resistors. When the same emf device is placed across the same two resistors in parallel, the current through the emf device is 61.0 A. Wh..
One object is thrown vertically upward with an initial velocity of 100 m/s and another object with aninitial velocity of 10 m/s. What is the ratio of the maximum height reached by the first object to that of the second object?
An autographed baseball rolls off a 0.64m high desk and strikes the floor 0.61 m away from the desk. How fast was it rolling on the desk before it fell off? The acceleration of gravity is 9.80 m/s^2.
You have a 54.1 mF capacitor initially charged to a potential difference of 12.5V. You discharge the capacitor through a 4.21 ohm resisitor. What is the time constant
A 1200 kg frictionless roller coaster starts from rest at a height of 22 m. What is its kinetic energy when it goes over a hill that is 13 m high
What is speed of the command module
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