Capacitance
A parallel plate capacitor with plates of area 320 cm.^2 is charged to a potential difference V and is then disconnected from the voltage source. When the plates are moved 0.3 cm. farther apart, the voltage between the plates is increased by 152 V. What is the charge on the po...
Chemistry
Tiffany, Assuming the reaction runs to completion and there is an excess of Al you know that Bromine is your limiting reagent. Stoichiometry will give you the amount of AlBr2 produced. You begin with 7.9 mol Br2 to cancel the moles of Bromine and find moles of Aluminum Bromide...
Capacitance (tricky)
Thanks! Our textbook did not cover dielectrics very well.
Capacitance (tricky)
Two parallel plates of area 41 cm.^2 have equal but opposite charges of 2.60E-07 C. Within the dielectric material filling the space between the plates, the electric field is 5.80E+05 V./m. Find the dielectric constant of the material. Feel like there is a huge lack of informa...
physics
Alyssa, I suggest you draw a freebody diagram of the wagon and the handle. Youll notice that the handle has a force of magnitude 20N with a direction of 25 degrees above the horizontal. Now write your force summation using Newton's second law. Let Ft be the magnitude of fo...
John Jay
what is sum or defference of 3/8 + 3/5
calculus
(a) Find the number c such that the limit below exists. Limit as x goes to -2 of: x^2+cx=c-3/x^2+2x (b) Calculate the limit for the value of c in part (a).
math
2 half dollars, 4 quarters, 2 dimes and 1 penny .50+.50+.25+.25+.25+.25+.10+.10+.01=2.21 2+4+2+1=9
Math
(a) Find the number c such that the limit below exists. Limit as x goes to -2 of: x^2+cx=c-3/x^2+2x (b) Calculate the limit for the value of c in part (a).
Physics Conducting Spheres
1. Two concentric conducting spherical shells have radii of 0.145 m. and 0.215 m. The inner sphere bears a charge of -3.00E-08 C. An electron escapes from the inner sphere with negligible speed. Assuming that the region between the spheres is a vacuum, compute the speed (in me...
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