Saturday
May 18, 2013

# Posts by Ryan

Total # Posts: 802

Physics
A dart gun is located 1 meter above the floor and is fired horizontally. the dart travels a horizontal distance of 4 meters when it hits the floor. what is the initial velocity if the dart when fired?

Chemistry
A certain reaction has an activation energy of 25.65 kJ/mol. At what Kelvin temperature will the reaction proceed 5.50 times faster than it did at 291 K?

Physics
A block weighing 5.7 N requires a force of 2 N to push it along at constant velocity. What is the coefficient of friction for the surface?

Math
Chris deposited \$1,500 in a bank account for 2 years. The account earned \$120.00 in simple interest. What simple interest rate did he receive?

Math
Adam used 3/12, 1/6, and 1/3 to make a circle graph and colored each a different color. What fraction of the graph is not colored? Explain your answer.

Math
Adam wants to compare the fractions 3/12, 1/6, and 1/3. He wants to order them from least to greatest and rewrite them so they all have the same denominator. Explain how adm can rewrite the fractions.

Chemistry
How much acid is needed to neutralize a 5L solution with a pH of 12.5. The acid available is 1 N HCL.

PHYSICS
You drop a ball from a height of 2.8 m, and it bounces back to a height of 1.4 m. (Ignore air resistance.) (a) What fraction of its initial energy is lost during the bounce? (b) What is the ball's speed just as it leaves the ground after the bounce? m/s (c) Where did the e...

Geometry
What is another way to figure out the area of a complex figure?

Math
What is another way to figure out the area of a complex figure?

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