Friday
May 24, 2013

# Posts by Jim

Total # Posts: 1306

Kasey
Write this repeating decimal as a ratio of relatively prime integers: 0.324324324...

math
Find the number to which this geometric series converges: 200 - 170 + 144.5 - ...

Math
Meg flipped a penny 2 times. What is the probability she get 2 heads?

physics
Given that the power consumed by a device is 1000 W operating on a 70-V line, calculate the amount of current it draws.

physics
Calculate the current that moves through your fingers (resistance 1000 \Omega) when you touch them to the terminals of a 6.4- V battery. please include the units

physics
Consider a transformer with a primary that has 50 turns of wire and a secondary of 250 turns. Then a 110-V input will produce an output of which of the following? A) 550 volts.B) 110 volts.C) 300 volts.D) 50 volts.E) 22 volts.

Chemistry
Complete and balance the following equation S(s)+HNO3(aq)--->H2SO3(aq)+N2O(g) An explanation would be excellent, thanks in advance.

physics
A galvanometer best makes use of the fact that there exists a magnetic field in which of the these?. A) about aligned magnetic domains.B) wherever a change of voltage occurs.C) about a current-carrying wire.D) between the poles of a U-shaped magnet.E) about a pivoted compass n...

physics
The shape of a magnetic field about a current-carrying wire is much the same as the shape of an electric field ____________. A) All of these.B) None of these.C) about a point electric charge.D) between two opposite point charges.E) between the plates of a charged capacitor.

physics
How much resistance must a 9-V device have to keep the current about 1 A? A) None of these.B) 1 ohm.C) 9 ohms.D) 4.5 ohms.E) 10 ohms

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