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1. There are two charges, Q1 of charge 2 μC and Q2 of charge 5 μC, that are located a distance d apart. Which charge exerts a greater force on the other? Explain.
2. In a Hydrogen atom, a single electron orbits the nucleus at an average distance of 5.29 x 10-11 m. What force does the single proton in the nucleus exert on the single electron as it orbits?
3. What is the electric field that the single proton exerts on the electron in the Hydrogen atom?
A student holds two lead weights, each of mass 14 kg. When the students' arms are extended horizontally, the lead weights are 1 m from the axis of rotation, Calculate the final angular speed of the system
A mass spectrometer applies a voltage of 2.00 kV to accelerate a singly charged positive ion. What is the mass of the ion
An electric fan is rotating about a fixed axis with an initial angular velocity of 0.260 rev/s. Find the angular velocity of the fan after time 0.195sec has passed
FA 2.0%u03BCC charge and a 2.9%u03BCC charge are 11.0cm apart. Find a point where the electric field is zero
What is voltage difference between floor and hover-board
A current of 74.8 mA exists in a metal wire, In what direction do the electrons travel with respect to the current
As we've seen, astronauts measure their mass by measuring the period of oscillation when sitting in a chair connected to a spring. What is the mass of an astronaut who oscillates with a period of 2.16 when sitting in the chair
question1a 350 piano slides 3.4 down a 34 incline and is kept from accelerating by a man who is pushing back on it
Find out the total work done on the car by the external forces.
When you push a bar magnet into a conducting loop, you do work. What happens when you pull it out the other side and why? b. You are turning a generator in such a way that the current it delivers remains constant.
A person with a near-point distance of 29 cm is able to get a usable magnification of 12 with a particular magnifying glass. What is the friend's near-point distance
A narrow slit 0.072 mm wide is illuminated with monochromatic light, and a diffraction pattern is observed on a screen 4.0 m from the slit. The width of the central maximum of this pattern is 2.8 cm. What is the wavelength of the incident light? How ..
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