Tuesday

May 24, 2016
Total # Posts: 12

**College Physics**

A 1.45kg mass oscillates according to the equation x=0.650cos8.10t, where x is in meters and t is in seconds.Determine the amplitude, frequency, total energy, and the potential and kinetic energy at x=0.370
*November 17, 2014*

**College Physics**

A 0.300-kg ice puck, moving east with a speed of 5.86m/s , has a head-on collision with a 0.990-kg puck initially at rest. Assume that the collision is perfectly elastic. What is the speed of the 0.300-kg puck after the collision? What ise the speed of the 0.990-kg puck after ...
*October 10, 2014*

**physics**

A 0.300-kg ice puck, moving east with a speed of 5.86m/s , has a head-on collision with a 0.990-kg puck initially at rest. Assume that the collision is perfectly elastic. What is the speed of the 0.300-kg puck after the collision? What ise the speed of the 0.990-kg puck after ...
*October 10, 2014*

**Chemistry **

If you increase the number of moles of gas in a fixed volume container kept as a constant temperature. What happens?
*August 2, 2014*

**college algebra**

simplify. express answer with positive exponents only. (-2x^-5y^4z^2)-3
*June 27, 2012*

**math12**

solve. check for extraneous roots.3^2x-4(3)^x+3=0
*May 6, 2012*

**math12**

solve 5^(p+4)= 2^(4-5p)to 2 decimal places
*May 6, 2012*

**math 12**

The bacterium Escherichia coli, or E-coli, has a doubling period of 0.32 h. If a culture starts with 100 bacteria: (a) Determine the equation for the number of bacteria, y, in x hours. b) How many hours will pass before there are 450 bacteria in the culture?
*May 6, 2012*

**micro**

hi, i need some help with my econ homework. i know what the law is, basically that more isn't always better. i just need to know how to tell if it applies to a labor equation. my problem goes like this. F(K,L) = K + 10L, write expressions for marginal product of labor and ...
*February 23, 2012*

**Probality**

For the data ; let A denote the sample mean and M denote the sample median. Then value of A & M???
*February 21, 2012*

**Probality**

The probability that at most 3 tosses of a balanced dice are required to get a prime number on top is equal to????
*February 21, 2012*

**Probality**

The probability that a prime number occurs on at least 2 tosses when a balanced dice is tossed 5 times independently is equal to???
*February 21, 2012*

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