Wednesday
May 22, 2013

# Posts by kara

Total # Posts: 387

an equation is a problem with an equal sign ex. 3x=1 or 10y-4=7

Physics
In a skating stunt known as "crack-the-whip," a number of skaters hold hands and form a straight line. They try to skate so that the line rotates about the skater at one end, who acts as the pivot. The skater farthest out has a mass of 73.0 kg and is 7.70 m from the ...

Chemistry
Calculate the pH of a 25 mL distilled water sample after the addition of 2 mL of HCl Calculate the pH of a 25 mL distilled water sample after the addition of 2 mL of NaOH

physics
A phonograph record has an initial angular speed of 37 rev/min. The record slows to 10rev/min in 1.3 s. What is the record’s average angular acceleration during this time interval

Physics
nevermind. im dumb. just got my answer switched around. dont need help anymore

Physics
The resistance of the wire in the windings of an electric starter motor for an automobile is 0.0190 Ohms. the motor is connected to a 12 V battery. What current will flow through the motor when it is stalled?

PHYSICS

PHYSICS
A capacitor consists of a solid metal sphere of radius 3 cm placed at the center of a thin metal spherical shell of radius 12 cm. The space between is empty. What is the capacitance?

chemistry
what volume of water must be added to dilute 5.0 L of .50 M HCl solution into a .10 M solution?

History
Describe how living conditions in cities changed during the Second Industrial Revolution. Your answer should include • a brief definition of the Second Industrial Revolution • a description of urban life and the problems created by industrialization • measures w...

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