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A simple model of a hydrogen atom pictures the electron and proton as point charges separated by a distance of 0.050 nm, and A very simple model of a hydrogen atom is sketched in Figure 18.3, which shows an electron traveling in a circular orbit around proton. (We'll discuss more realistic models of an atom in Chapter 29.) If the distance between the electron and the proton is r =5.0 ×10-11m, what is the electric potential energy of this atom?we calculated the associated electric potential energy. If the electron is initially at rest, how much work is required to "break apart" these two charges, that is, to separate them by a very large distance? width=
Figure 18.3 A simplified model of an atom, with an electron in orbit around a proton.
A double-slit interference pattern has a fringe (a “fringe” is an interference maximum) spacing of 4.0 mm. How far from the central maximum is the first position at which the intensity is equal to I1, the intensity due to each individual slit? In thi..
A satellite in outer space is moving at a constant velocity of 21.1 m/s in the +y direction, What is the magnitude of the satellite's velocity when the thruster turns off
A wind turbine is initially spinning at a constant angular speed. As the wind's strength gradually increases, What is the initial angular velocity of the turbine
a .450 kg bead slides on astraight frictionless wire with a velocity of 3.50 cm/s to the right. find the distance the larger bead moves along the wire in the first 9seconds after the collision
An object at rest on a flat, horizontal surface explodes into two fragments, one five times as massive as the other one. The lighter fragment gains the velocity of 10.0m/s in the left direction right after the explosion.
The electric potential at a position located a distance of 21.3 mm from a positive point charge of 7.90×10-9C and 14.8 mm from a second point charge is 1.18 kV. Compute the value of the second charge.
Perform the following operations. Express your answers in scientific notation - Express the decimal numbers in scientific notation.
A glass window pane in a home is 0.62 cm thick and has dimensions of1.2 m 2.2 m. obtain how much energy is lost during the window in one day, assuming the temperatures outside and inside remain constant
An ambulance moving at 42 m/s sounds its siren whose frequency is 450 Hz. a car is moving in the same direction as the ambulance at 25 m/s. what frequency does a person in the car hear as the car approaches the ambulance? After the ambulance passe..
A 0.381 H inductor is connected to a capacitor and a 45.5 resistor along with a 69.3 Hertz, 28.3 Volt generator. Find to what value would the capacitor have to be adjusted to produce resonance
An entertainer, when performing a bubble trick, forms one bubble inside another. The surface tension of the bubble liquid is ?=0.04 N m-1. What is the gauge pressure in the inner bubble
You are twirling a tennis ball on a string in the vertical direction at a constant speed. The radius of the circle is 1.20m and the mass of the ball is 0.200kg. find the tension in the rope at the bottom of the swing
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