What launch speed must proton have to reach positive disk
Two 3.5 -diameter disks face each other, 2.0 apart. They are charged to +/-11 nC.
A proton is shot from the negative disk toward the positive disk. What launch speed must the proton have to just barely reach the positive disk?
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The rate of heat transfer to the air is 347 kJ/kg. Neglecting kinetic and potential energy effects, determine the energy per mass developed in kJ/kg.
The mean cost of domestic airfares in the United States rose to an all-time high of $385 per ticket (Bureau of Transportation Statistics website, November 2, 2012). Airfares were based on the total ticket value, which consisted of the price charge
The titration of 25.0 mL of a vinegar sample with 0.500 M NaOH solution required 44.6 mL of NaOH. If we assume the density of the vinegar sample is 1.00 g/mL, what is the percent acetic acid in the vinegar?
Assume that 85% of the time the port can handle the weekly cargo volume without extending operating hours. What is the number of tons of cargo per week that will require the port to extend its operating hours (to 2 decimals)?
Prices for regular unleaded gasoline can vary widely from day to day and location to location. These data were obtained on June 1, 2001, from a sample of stations across the respective state (price is in dollars per gallon):
A force of gravity exists between two masses. How is the initial force of gravity (F1) affected if the separation distance between them is modified in the following ways to yield a new force of gravity (F2)?
Nylon can be destroyed easily by strong acids. Explain the chemical basis for the destruction. (Hint: The products are the starting materials of the polymerization reaction.)
Jill pulls on a rope to lift a 12 kg pail out of a well, while clumsy Jack watches. For a 10 metr segment of the lift, she lifts the bucket straight up at a constant speed.
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