Sunday
December 8, 2013

# Posts by samuel

Total # Posts: 141

Calculus
A voltage V across a resistance R generates a current I=VR. If a constant voltage of 4 volts is put across a resistance that is increasing at a rate of 0.3 ohms per second when the resistance is 4 ohms, at what rate is the current changing? (Give units.)

Calculus
At noon, ship A is 20 nautical miles due west of ship B. Ship A is sailing west at 23 knots and ship B is sailing north at 17 knots. How fast (in knots) is the distance between the ships changing at 5 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)

chem
why does fluorine have a higher ionization energy than iodine?

chem
why do elements in the same family generally have similar properties?

chem

CHEM
on a heating curve graph...what factors determine the lengths of the flat regions of the graph and slope of the curve between the flat regions

French
What can you find in Santa Claus' bag? descramble "ELASEL" (in french) I need help....

s
unscramble "elasel" in french; unscramble "ionmaes" in french. Thank you

chem
22.25 ml?

chem
3.56mL?

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