Pre-Calculus

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An oil drop with a mass of 1.22 x 10¹⁴ kg is held in balance
An oil drop with a mass of 1.22 x 10¹⁴ kg is held in balance between two parallel plates. The electric field between the two plates is 1.50 x 10⁵ N/C.If the top plate has a negative charge, calculate … read more
akch2002
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A particle with charge of -3.11 × 10‐¹² C and a mass of 1.94
A particle with charge of -3.11 × 10‐¹² C and a mass of 1.94 × 10-¹⁴ kg is in an electric field of 4.00 × 10‐² N/C [East] between two vertical parallel plates.What is the magnitude and direction of th… read more
R.R. Jha
Bachelor's Degree
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A laser pose with wavelength 5.15 mm contain 4.85 mJ of
A laser pose with wavelength 5.15 mm contain 4.85 mJ of energy..How many photons are in the laser pulse… read more
akch2002
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Had some \$10 note and \$5 note. The ratio of the number of
David had some \$10 note and \$5 note. The ratio of the number of \$10 note to the number of \$5 note was 8:5. He then exchanged 26 \$10 note for \$5 note. The ratio of the number of \$10 note to the number … read more
Sandhya_sharma
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Division with Scientific Notation 4 x 10^4 -------------
Division with Scientific Notation 4 x 10^4 ------------- over 3.63 x 10^-4 Write answer in scientific notation, thank you.… read more
Ryan
Bachelor's Degree
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What is the point-slope form of an equation with the slope
What is the point-slope form of an equation with the slope of 3/5 that passes through the point (10,-2)?… read more
Ryan
Bachelor's Degree
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Two numbers are randomly drawn from (1, 2, 3, ..., 10) with
Two numbers are randomly drawn from (1, 2, 3, ..., 10) with replacement and added together. What is the probability of an odd sum?… read more
Chirag
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PrintoutThursday, March 07, 20137:10 AMPage 2Thursday,
Printout Thursday, March 07, 2013 7:10 AM Page 2 Thursday, March 07, 2013 7:10 AM Page 3 Thursday, March 07, 2013 7:10 AM Page 4 Thursday, March 07, 2013 7:10 AM Page 5 Thursday, March 07, 2013 7:10 A… read more
Ryan
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Hi heres the other, thanks a ton have a fun safe trip ! ht
Hi heres the other, thanks a ton have a fun safe trip ! http://www.mediafire.com/view/?2126ny69j4q501k… read more
Scott
Master's Degree
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the intensity level of the sound of a subway train is 95dB.
the intensity level of the sound of a subway train is 95dB. what is the intensity in W/m^2?… read more
akch2002
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Master's Degree
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** FOR GREG ** Hey! Did not do so well on test this week
** FOR GREG ** Hey! Did not do so well on test this week - so I have a bunch of study problems to do... This one I am not understanding at all... The GDP of country A was 48,860,000,000 in 2005. I und… read more
Mr. Gregory White
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Master's Degree
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**FOR GREG** A tugboat goes 100 miles upstream in 10 hours.
**FOR GREG** A tugboat goes 100 miles upstream in 10 hours. The return trip downstream takes 5 hours. What is the speed of the tugboat with out a current and what is the speed of the current?… read more
Mr. Gregory White
Master's Degree
Master's Degree
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A paddle boat can move at a speed of 10km/h in still water.
A paddle boat can move at a speed of 10km/h in still water. The boat is paddled 20 km downstream in a river in the same time it takes to go 10 km upstream. What is the speed of the river?… read more
Stevewh
Teacher
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TeacherGreg, Here are questions 1-17 for my exam. Thank
TeacherGreg, Here are questions 1-17 for my exam. Thank you http://www.mediafire.com/?0fvvoaz0rlugd51… read more
Mr. Gregory White
Master's Degree
Master's Degree
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I have a couple word problems that I am not sure on here: 1)
I have a couple word problems that I am not sure on here: 1) Draw a diagram to solve this problem: Oshawa is 10 km due east of Ajax. Uxbridge is 18 km NW of Oshawa. How far is it from Ajax to Uxbridge… read more
Chirag
Master's Degree
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Sound levels in decibels (db) can be computed by f(x)
Sound levels in decibels (db) can be computed by f(x) = 160 + 10 log x where x is the intensity of the sound in watts per square centimeter. The intensity of a sound is 10^-6 watts per square centimet… read more
Scott
Master's Degree
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The formula for the total resistance, R, in a parallel circuit
The formula for the total resistance, R, in a parallel circuit is 1/R = 1/R_1 + 1/R_2 Where R_1 is the resistance of the first resistor and R_2 is the resistance of the second resistor in ohms. If R_1… read more
Sandhya_sharma
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Master's Degree
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