Work done on proton to take it away from surface of sphere
A metal target sphere of 20 cm diameter suspended out in space is given a charge of +1.00 nC. How much work must be done on a proton in taking it from very far away (essentially infinity) to the surface of the sphere?
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A small drop of water is suspended motionless in air by a uniform electric field that is directed upward and has a magnitude of 8410 N/C. The mass of the water drop is 3.20 x 10-9 kg. How many excess electrons or protons reside on the drop?
We consider a solid ball of mass 0.50 kg and radius 10 cm, rolling down an incline without slipping. Suppose the ball starts from rest and rolls enough that it drops vertically by a distance h = 0.50 m. Use conservation of energy to find the veloc
A 100.0 g sample of a metal M is burned in air to produce 103.7 gof its oxide with the formula M2O. What is the atomic mass of the metal?
While running down the road, they come to a deep gorge, 14.4 m straight across and 100 m deep. The Roadrunner launches himself across the gorge at a launch angle of 16° above the horizontal, and lands with 1.4 m to spare. (a) What was the Road
The titration data obtained will be used to calculate the value for the equilibrium constant for the dissolution of borax inwater, the value for the equilibrium constant change as the temperature changes, and the values for ΔHo, ΔSo, a
The electric field near the surface of the earth is typically 100 N/C, directed downward. What is the ratio of the electric force on the bee to the bee's weight?
Determine the principal direction for the stresses and strain at a point on a free surface where the following stresses were computed: σ_xx=10ksi (tension) σ_yy=7 ksi (compression), and τ_xy = 5 ksi.
Car 1 is traveling at 85km/h approaching car 2 traveling at 60km/h. At 10m behind car 2, car 1 decelerates at 4.2m/s^2. What will be the distance between the cars at their closest approach?
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