Monday
December 9, 2013

# Posts by ray

Total # Posts: 354

Physics
It still says its the wrong answer. Let me calculate it again

Physics
Imagine you are an astronaut who has landed on another planet and wants to determine the free-fall acceleration on that planet. In one of the experiments you decide to conduct, you use a pendulum 0.47 m long and find that the period of oscillation for this pendulum is 1.43 s....

Physics
Imagine you are an astronaut who has landed on another planet and wants to determine the free-fall acceleration on that planet. In one of the experiments you decide to conduct, you use a pendulum 0.47 m long and find that the period of oscillation for this pendulum is 1.43 s. ...

Calculus
F(x) = x^5 ln x A) Find the interval on which f is increasing Find the interval on which f is decreasing B) Find the local minimum value of f C) find the inflection point (x,y) Find the interval in which f is concave up Find the interval in which f is concave down

Science- physics
A 10 kg lawnmower is pushed along by a force applied at a 20* angle to the horizontal. If the mower accelerates at 3.4 m/s what is this force?

Statistics
Suppose there are two defective items in a pool of five items. You want to test one item at a time until you identify the second defective item. Find following probabilities a. You need four tests. (i.e. The second defective item will be found at the fourth test.) b. You need ...

physics
all the following are true about water except that it: a has a very high specific heat capacity compared to ther substances. b. takes a long time to heat up. c. takes a short time to cool off. d. makes the earths climates milder.

Math
Each equal side of an isosceles triangle is 3 1/2 inches longer than the base. The perimeter of the triangle is 2 feet. Find the length of its base.

PHYSICS!!
A plane drops a hamper of medical supplies from a height of 4190 m during a practice run over the ocean. The plane’s horizontal veloc- ity was 111 m/s at the instant the hamper was dropped. What is the magnitude of the overall ve- locity of the hamper at the instant it st...

Physics
Pt. 1 Gas in a container is at a pressure of 2.3 atm and a volume of 6.1 m3. What is the work done on the gas if it expands at constant pressure to five times its initial volume? Answer in units of J My wrong answer: 56.12 Pt. 2: What is the work done on the gas if it is com- ...

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