Saturday

August 23, 2014

August 23, 2014

Total # Posts: 5

**Physics**

A model rocket is launched straight upward with an initial speed of 47.8 m/s. It accelerates with a constant upward acceleration of 1.83 m/s2 until its engines stop at an altitude of 163 m. What is the maximum height reached by the rocket?
*September 14, 2011*

**Physics**

A cheetah can accelerate from rest to 25.9 m/s in 1.80 s. Assuming the acceleration is constant over the time interval, what is the magnitude of the acceleration of the cheetah? What is the distance traveled by the cheetah in these 1.80 s?
*September 14, 2011*

**Physics**

An average family of four uses roughly 1600 liters (about 400 gallons) of water per day. (One liter = 1000 cm3.) How much depth would a lake lose per year if it uniformly covered an area of 90 square kilometers and supplied a local town with a population of 30000 people? ...
*September 5, 2011*

********MATH 12*********

How about this. One bad contains 4 white balls and 6 black balls. Another bag contains 8 white balls and 2 black balls. A coin tossed to select a bad, then a ball is randomly selected from that bag. a. What is the probability that a white ball will be drawn? b. Suppose a white...
*August 5, 2008*

**MATH 12**

A golf bag contains 6 white balls and 8 yellow balls. What is the probability of each event? A) Drawing 3 white balls? B.) Drawing 1 Yellow ball and 1 white ball? Thanks
*August 5, 2008*

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