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While carrying out an experiment you watch an electrically charged microscopic drop of oil (mass 5.68 micrograms, diameter 0.48 mm and electric charge of -96e) that is slowly falling vertically in an evacuated chamber toward a small flat, electrically charged surface. After a while you notice that the drop comes to a stop and remains suspended motionless, 3.50 mm above the flat surface. What is the minimum amount of charge that should be on the flat surface? Suppose that the drop and the charged flat surface might be considered to be point charges and as the drop falls it (the drop) does not gain or lose any electrical charge or mass. Also, suppose that at the location where you are the acceleration due to gravity is 9.83 m/
Suppose the temperature of 4.56 L of ideal gas drops from 359 K to 275 K. Find the number of moles of gas
The central order for a diffraction pattern from a rectangular aperture is measured to be 15.0 mm high and 5.00 mm wide on a screen 1.00 m away. what is the aperture's height and width
A kayaker needs to paddle north across an 85 m wide harbor. The tide is going out, creating a tidal current that flows to the east at 1.7 m/s. The kayaker can paddle with the speed of 3.0 m/s.
A laser emits a narrow beam of light. The radius of the beam is 3.9 mm, and the power is 3.6 mW. What is the intensity of the laser beam
You are assigned an experament to find g by dropping a 5 cm styrophoam sphere. Construct an uncertainty budget for this hypothetical situtation
A projectile is fired at time t = 0.0 s, from point 0 at edge of a cliff, with initial velocity components of vix=30m/s and viy = 100m/s. The projectile rises, and then falls into the sea at point P. The time of flight of the projectile is 20s.
A 300 gram block is attached to a light horizontal spring. The block is free to slide on a horizontal table. Find how far beyond its equilibrium position will the spring stretch at its first maximum extension if the coefficient of kinetic friction o..
a particle has a charge of 4.0 x 10-9 c. when it moves with a velocity v1 3.0 x 104 ms at 45 degrees above the y-axis
A fish takes the bait and pulls on the line with a force of 2.1 N. How much line does the fish pull from the reel in 0.28 s
A cubical box .2 m on a side is completely immersed in a fluid. The pressure at the top of the box is 105 kPA, What is the denstiy of the fluid
two intereference patterns have similar bright fringe spacing but one has bright maxima that are more sharply defined
Consider the mass on aspring system in Figure P11.20. Three identical springs, What is the frequency of this simple harmonic oscillator
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