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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.
One cubic meter of water flowing over Niagara Falls in New York drops 98.1 meters. how much heat energy would the water have
Two atomic clocks are synchronized while on Earth before one is launched (within a GPS satellite) into a medium-altitude Earth orbit. estimate the time difference between the two atomic clocks
a typical maximum acceleration for a car is about 8 m/s^2, A sports car traveling at 20m/s accelerates at this rate for 1.25 seconds
A 650-N physics student stands on a metric bathroom scale inside an elevator. The elevator (including the student) has a total mass of 875 kg. What is the tension on the elevator cable in both cases
A helicopter is rising at 4.60 m/s when a bag of its cargo is dropped. The bag falls for 2.50 s. (suppose that the positive direction is upward.)
An experimenter arranges to trigger two flashbulbs simultaneously, producing a big flash located at the origin of his reference frame and a small flash at x = 8.25 km. What time interval between them does she find
A 79, 37--long rod hangs vertically on a frictionless, horizontal axle passing through its center. A 13 ball of clay travelling horizontally at 2.6 hits and sticks to the extremely bottom tip of the rod.
A 7.0 L volume of ideal neon gas (monatomic) is at a pressure of 4.3 atmospheres and a temperature of 400 K. determine the final pressure of the gas
An object placed 2.6 meters in front of a mirror produces an inverted image of one half the size. find Is it convex or concave
A person with a weight of 237 lb stands on two feet with their weight equally distributed between the two shoes, What is the pressure on each shoe independently
q. 1. what physical quantities can be represented by vectors? why? how do you determine the resultant force of the
This is a two part question. Ron runs west for 30 minutes at a speed of 8 mi/h. What is the total distance that Ron has run
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