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Q1. Two stationary positive point charges, charge 1 of magnitude 355 nC and charge 2 of magnitude 1.8 nC, are separated by a distance of .45 m. An electron is released from rest at the point midway between the two charges, and it moves next to the line linking the two charges.
What is the speed of the electron when it is 10.0 from charge 1?
Q2. A thin soap film (n = 1.33) has a uniform thickness. When white light strikes the film at normal incidence, blue light (b = 440 nm) is constructively reflected. At what angle of incidence will green light (g = 560 nm) be most strongly reflected? Imagine the film has the minimum thickness that can produce these reflections. In degrees.
A small car with mass 0.690 travels at constant speed on the inside of the track that is a vertical circle with radius 5.00. If the normal force exerted by the track on the car when it is at the top of the track (point) is 6.00, what is the normal fo..
A 0.60 nF parallel-plate capacitor has plate area A = 1.4×10?4 m. what is the plate separation
question1youre ceo of a courier company and you decide to select an electric car for your fleet of vehicles. a
At a rock concert a dB meter registers 115 dB at a distance of 1.50 m from the stage, how far from the stage would you need to be to hear the concert at 90 dB
When he reaches equator, the sphere is rotating at how many rpm. A car takes 9 s to go from v = 0 to v = 55 m/s at about constant acceleration.
What is an average velocity of the rock
A friend is standing on a giant skateboard that is initially at rest. If you avoid frictional effects with the floor, what is the momentum of the skateboard if your friend walks to the right on skateboard with a momentum of 150 kg.m/s? What is the..
The depth of water behind the Hoover Dam in Nevada is 220 m. What is the water pressure at base of this dam? (Neglect the pressure due to the atmosphere.)
question1a wire shaped in the shape of an equilateral triangle of side d 8 cm carries current i 0.25 a. this loop is
A professional race-car driver buys a car that can accelerate at 5.3 m/s2. Find the velocity of the race car when the two drivers are side by side
A liquid is flowing through a horizontal pipe whose radius is 0.0186 m. What volume flow rate will keep the pressures in the two horizontal pipes
What is the magnitude of the net force on the student.What is the magnitude of contact force on the student by the backpack.
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