Mathematics, 17.07.2019 22:10 paytonpaige22
Apoint charge q is held fixed in place and another point charge q is brought closer to it moving at constant velocity. which of the following statement(s) is (are) true?
i. the electrostatic potential energy of q increases as it is brought closer to q if q and q are of the same sign.
ii. the work done by the electrostatic force is positive if q and q are of the same sign.
iii. the work done by an external force to bring q closer to q is positive if q and q are of the opposite sign.
iv. the work done by an external force to bring q closer to q is negative if q and q are of the opposite sign.
Answers: 2
Mathematics, 21.06.2019 17:30
The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.
Answers: 3
Mathematics, 21.06.2019 17:40
Find the x-intercepts of the parabola withvertex (1,1) and y-intercept (0,-3).write your answer in this form: (x1,if necessary, round to the nearest hundredth.
Answers: 1
Mathematics, 22.06.2019 00:30
Neal buys a board game. he pays for the board game and pays $1.54 in sales tax. the sales tax rate is 5.5%. what is the original price of the board game, before tax
Answers: 3
Apoint charge q is held fixed in place and another point charge q is brought closer to it moving at...
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