Electric potential energy of the pair of charges
How far from a -7.20 uCpoint charge must a2.30 uCpoint charge be placed for the electric potential energy of the pair of charges to be -0.400J(Take U to be zero when the charges have infinite separation.)
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Just before arriving to its destination it decelerates at -0.5g and comes to complete stop. what is the time it takes the train to make this 350 mile trip?
Louis files as a single taxpayer. In April of this year he received a $900 refund of state income taxes that he paid last year. How much of the refund, if any, must Louis include in gross income under the following independent scenarios
The New River Gorge bridge in West Virginia is a 518 m long steel arch. How much will its length change between temperature extremes -23°C and 39°C?
How high should the tank be to ensure the ball reaches terminal velocity? Use the number twice as big from the previous question for height and calculate how much time it takes for the ball to reach the bottom of the tank.
The bank opens at 8am and you arrive at the bank at uniformly random time between 8am and 9am. Let X be the number of people who entered the bank before you. Find the expectation and the variance of X.
Prepare the journal entries to record pension expense and the employer's contribution to the pension plan in 2012. (List multiple debit/credit entries from largest to smallest amount, e.g. 10, 5,
XX Company makes consumer electronics. Last year XX sold 25000 units at $25 each. Total costs equaled $525000, of which $150000 were fixed.
When the electron is 1.00x10^-10m from the alpha particle, it is moving directly away from the alpha particle at a speed of 3.00x10^6m/s. Calculate the distance between the electron and alpha particle when the electron comes momentarily to rest.
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