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This question has to do with the oil drop experiment and how much voltage must be applied to keep a drop suspended in air. an oil drop has a diameter of 1.5 x 10^-6 m and a density of 0.8 g/cubic cm. The distance between the plates is 0.014 m. If the drop has a charge of 1.602*10^-19, how much voltage must be used to keep the oil drop suspended?
A 25g ball is fired with an initial speed v1 toward a 150g ball that is hanging motionless from a 1.30m string. The balls have a perfectly elastic collision. As a result, 150 g ball swings out until the string makes an angle of 37° with vertical. ..
A laboratory ultracentrifuge is designed to produce a centripetal acceleration of 5.0 x 10^6 g at a distance of 4.00cm from the axis. What angular velocity in rev/min is necessary.
you notice that the image flips when you are 0.500 m from the mirror. Determine the radius of curvature for the mirror
A 15.1 mass fastened to the end of a steel wire with an unstretched length of 0.650 is whirled in a vertical circle with angular velocity 2.00 at the bottom of the circle. The cross-sectional area of the wire is 1.20×10?2 . Calculate the elongatio..
Point charges q1=? 4.80nC andq2=+ 4.80nC are separated by distance 3.90mm , forming an electric dipole, Find the magnitude of the electric dipole moment
A motorist drives south at 30.0 m/s for 3.00 min, then turns west and travels at 25.0 m/s for 2.80 min, and finally travels northwest at 30.0 m/s for 1.00 min. For this 6.8 min trip, how do you find the total vector, average speed and average velo..
A proton moves at 4.9x106 m/s in a magnetic field where B = 0.42 T. what force does the proton experience
A large wooden turntable in the shape of a flat disk has a radius of 2.25m and a total mass of 135kg, Find the angular speed of the turntable after the parachutist lands
A person sitting quietly in a room on a winter day may lose heat primarily by radiation from the outer surface of her clothes to the walls of the room. what is the temperature of the outer surface of the clothes
A strong wind current of 9.1 m/s is carrying gas a distance of 27351 m. What is the power rating on the convection
Studies of the relationship of the sun to our Galaxy- The Milky Way - Have revealed that the sun is located near the outer edge of the galatic disc, what is the period of the sun's galactic motion
A stone is thrown horizontally from the roof of a tall building with a speed of 23.3 m/s. how far from the building will the stone land
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