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A positive point charge Q1=2.4×105C is fixed at the origin of coordinates, and a negative point charge Q2=5.6×106C is fixed to the x axis at x=+1.5m. Discover the location of the place(s) along the x axis where the electric field due to these two charges is zero.
A uniform disk of radius R and mass M is mounted on an axle supported in fixed frictionless bearings. find the angular acceleration and tangential acceleration
A railroad car of mass 2.40 x 104 kilogram moving at 3.50 m/s collides and couples with two coupled railroad cars, Obtain the speed of the three coupled cars after the collision
A sports car, picking up speed, passes between two markers ina time of 4.1 seconds. the markers are separated by 120 meters. what is its speed at the second marker
A child is floating stationary in a inner tube in a swimming pool. the childs mass is 32 kg. What is the volume of the inner tube
The creation and study of new and very massive elementary particles is an important part of contemporary physics. To create a particle of mass M requires an energy Mc2. With enough energy, an exotic particle can be created by allowing a fast-movin..
A rolling ball has an initial velocity of 1.6 meter per second if the ball has a constant acceleration of -0.778 m/s2. Determine what is its velocity after 3.6 second
A series ac circuit contains a 350 ohm resistor, a 17.0 mH inductor, a 3.10 uF capacitor, Find the average power delivered to the entire circuit
In a dentist's office an X-ray of a tooth is taken using X-rays that have a frequency of 7.60 × 1018 Hz. What is the wavelength in vacuum of these X-rays
a 3.0 cm wire carrying a current of 10 a is placed inside a solenoid perpendicular to its axis. the magnetic field
Your friend, who is exactly the same age as you, travels at a speed of 0.9990c to a star 25 light-years away. How long does she measure for the time she is away
An electric fan is turned off, and its angular velocity decreases uniformly from 500 rev/min to 200 rev/min in 4.00 second. determine the number of revolutions made by the motor in the 4.00 s interval
Calculate the expectation value of the potential energy of the H atom with its electrons in the 1s orbital. Compare this with the total energy.
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