Total # Posts: 23
a conductor is 2m long and 8mm diameter if its resistivity is 1.8*10^-8 ohmm calculate a,the resistance of the conductor b,the current in the conductor when a p.d of 10v is maintained across its ends c,the current density d,the electric field in the wire
February 22, 2016
The area of a regular hexagon inscribed in a circle is equal to 166.28 square cm. If the circle is inscribed in a square, find the difference between the area of the square and the hexagon.
November 30, 2014
A circle having an area of 452 square inches is cut into two segments by a chord, which is 6 inches from the center of the circle. Find the area of the bigger segment.
November 30, 2014
find the volume of the solid obtained by rotating the region bounded by the given curves about the specified line. sketch the region and a typical disk or washer. y^2=x, x=2y; about the y-axis i am confused because i do not know how to set it up because one is Y and the other ...
September 8, 2013
verify that the function satisfies the hypotheses of the mean values theorem on the given interval. then find all numbers c in the given interval that satisfy the conclusion of the mean values theorem f(x)= 2x/x-4 [0,3]
April 29, 2013
A 10.00 g sample of He is compressed isothermally from a volume of 61.1 L to a volume 2.00 L at a temperature of 25 °C. Calculate the work done by the gas on the surroundings if the external pressure is 101.325 kPa.
April 9, 2012
From one year to the next the profits of Company a increased from $ 350,000 to $ 425,00 . During that same time period,Company B profits increased from $ 725,000 to $ 950,00 . How much more was company B percent in profits than company A'?
January 4, 2012
A red blood cell is placed into each of the following solutions. Indicate whether crenation, hemolysis, or neither will occur. Solution A: 3.21% (m/v) NaCl Solution B: 1.65% (m/v) glucose Solution C: distilled H2O Solution D: 6.97% (m/v) glucose Solution E: 5.0% (m/v) glucose ...
September 29, 2011
Evaluate the exponential equation for three positive values of x, three negative values of x, and at x=0. Transform the second expression into the equivalent logarithmic equation; and evaluate the logarithmic equation for three values of x that are greater than 1, three values...
June 19, 2010