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Sushmitha

Questions and answers by Sushmitha

Questions (33)

1)If I am to plot a graph of Force in Newtons vs. Stretch in meters, would the x axis be force or the stretch?2) The data table
1. 2 answers
2. 608 views
use an inverse trig function to write è as a function of x(There is a right triangle. The hypotenuse is 2. è is the angle
1. 2 answers
2. 564 views
use an inverse trig function to write theta as a function of x(There is a right triangle drawn. The hypotenuse is 2. Theta is
1. 4 answers
2. 4,378 views
I need help with two questions:1) An object can only have a charge that is an integral multiple of the charge on the ___. Am I
1. 3 answers
2. 959 views
Electric power is found by multiplying ___ by current.volts? potential difference? The kilowatt hour is a unit for measuring
1. 1 answer
2. 402 views
Three identical resistors are connected in series to a battery.The voltage drop across one of the resistors is ___ times the
1. 3 answers
2. 1,729 views
if three resistances in parallel circuit are all equal, the total resistance is ___ the resistance of any on branch.
1. 2 answers
2. 1,155 views
if three resistances in parallel circuit are all equal, the total resistance is ___ the resistance of any on branch.
1. 1 answer
2. 431 views
Assume r and s are the roots of the quadratic equation ax^2 + bx + c = 0, show that r + s = -b/a and rs = c/a.
1. 1 answer
2. 366 views
cannon fired ffrom top of 50 ft hill.height of shell above water: h = -0.0000167x^2 + 0.23x + 50 where x is horizontal distance
1. 1 answer
2. 414 views
open box made from 33 x 33 inch sheet of metal by cutting out x-inch square from each corner and folding up the sides.What size
1. 5 answers
2. 1,363 views
solve system of equations:y = 2x^3 - 2x^2 y = -6x^2 +30x I know (0,0) is one point. How do I get others?
1. 3 answers
2. 339 views
A thermometer reading 7 degrees C is brought into a room with a constant temperature of 29 degrees C.If the thermometer reads 15
1. 2 answers
2. 598 views
A thermometer reading 7 degrees C is brought into a room with a constant temperature of 29 degrees C.If the thermometer reads 15
1. 2 answers
2. 738 views
A thermometer reading 7 degrees C is brought into a room with a constant temperature of 29 degrees C.If the thermometer reads 15
1. 4 answers
2. 1,925 views
A thermometer reading 7 degrees C is brought into a room with a constant temperature of 29 degrees C.If the thermometer reads 15
1. 2 answers
2. 541 views
5^(-x+3) = 64I have only had exponents to the x, not with +3 too.
1. 1 answer
2. 340 views
demand for sulfur dioxide by coal-fired electricity electricity producers is: P= 1,000 - 16Q where Q is quantity of sulfur
1. 1 answer
2. 440 views
demand for sulfur dioxide by coal-fired electricity electricity producers is: P= 1,000 - 16Q where Q is quantity of sulfur
1. 1 answer
2. 502 views
demand for sulfur dioxide by coal-fired electricity electricity producers is:Firm A's demand: P= 1,000 - 80 Q Firm b's demand:
1. 1 answer
2. 471 views
demand for sulfur dioxide by coal-fired electricity electricity producers is:Firm A's demand: P= 1,000 - 80 Q Firm b's demand:
1. 1 answer
2. 452 views
demand for sulfur dioxide by coal-fired electricity electricity producers is: P= 1,000 - 16Q where Q is quantity of sulfur
1. 1 answer
2. 453 views
A duck has a mass of 2.8 kg. As the duck paddles, a force of 0.05 N acts on it in a direction due east.In addition, the current
1. 2 answers
2. 1,119 views
A diagram has vector A at 30 degrees above the positive x axis. length = 3 mVector B is ON the negative x-axis. length = 1 m
1. 3 answers
2. 681 views
under the influence of its drive force, snowmobile is moving at constant velocity along a horizontal patch of snow. When drive
1. 1 answer
2. 654 views
What is the tip speed (ft/min) of a 21 inch long rotary lawn mower blade that is connected to the output shaft of an engine
1. 1 answer
2. 393 views
The 7 inch diameter drive drum of a belt conveyor is turning at 130 rpm.What is the belt speed (ft/min) if there is no slip
1. 1 answer
2. 402 views
The 7 inch diameter drive drum of a belt conveyor is turning at 130 rpm.What is the belt speed (ft/min) if there is no slip
1. 1 answer
2. 480 views
In the redox reaction:2FeS + 4.5 O(subscript 2)+ 2H(subscript 2)O > Fe(subscript 2)O(subscript 3) + 2H(subscript 2)SO(subscript
1. 4 answers
2. 450 views
Dr. Bob222,Please see my additional posts on Jan 20 at 2:26pm and Jan 21 at 12:33 am. This is in reference to the redox
1. 5 answers
2. 873 views
Can two elements both be oxidized in a reaction?2FeS + 4.5O2 +2H2O==> Fe2O3 + 2H2SO4 I see Fe is oxidized, going from Fe+2 to
1. 2 answers
2. 494 views
Your grandmother opened an investment account of $1,000(initial deposit) 15 years ago.Today it's worth $39,533.32 What is
1. 2 answers
2. 529 views
Which law of chemical is illustrated by the fact that 168g of iron with 72g of water to form 232g of ferric oxide And 8g
1. 1 answer
2. 399 views

Answers (5)

Dr. Bob222, Ok, I'm starting to see how to get the oxidation numbers. However, since S goes from -2 to+6, does it also oxidize? is it possible that both can oxidize? I thought one oxidized while the other reduced.
DrBob222, I understand that oxidation is a loss, but appears as an increase. I still have two questions. 1) Fe goes from +2 to +3, and S goes from -2 to +6. They both appear to be oxidized because they increased. Please explain. 2)I think my problem is
Still lost. I put in 6 and lost a variable. T(6) = 29 - (29 - 7) e^-0.678 29 - 22e^-0.678 -29 = -22e^-0.678 ln 1.318181818 = e^-0.678 0.276253377 = -0.678
OK, I got it.
so how do i find the max volume?

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