Saturday
April 19, 2014

Posts by apple


Total # Posts: 16

physics
A rocket moves upward, starting from rest with an acceleration of 32.0 m/s2 for 3.27 s. It runs out of fuel at the end of the 3.27 s but does not stop. How high does it rise above the ground?

statistics
The following are all quiz scores of a student in a statistics course. Each quiz was graded on a 10-point scale. 10,6,7,6,5,8 Assuming that these scores constitute an entire population, find the standard deviation of the population. Round your answer to at least two decimal pl...

Social studies world history
What are the similarities between the northern and middle colonies. I only have one by far seeking relgios freedom but may anyone tell me more? And some similarities if you can about southern and middle colonies. Please and thank-you!

physics
At the surface of Mars, the acceleration due to gravity is 3.72 m/s^2. A watermelon has a mass of 4.5 kg here on Earth. a) What is its weight here on earth? b) What is its mass in Mars? c)What is its weight in Mars?

physics
A 300 kg sailboat accelerates at 0.5 m/s^2 at an angle of 25degrees North of East. Find the magnitude and direction of the force responsible for this accelereation.

Chemistry
Cr(OH)3<-->Cr+3+3OH which direction will equilibrium change if CrCl3 is added and why. which direction will it change if HCL is added and why?

Probability & Stats
what is the probability that no two students will have the same birth date in a size of 60 class

ambiguity
Is he really that kind

Chemistry
For the following: i) HClO4 > HBrO4 > HIO4 ii) NH3 > PH3 > AsH3 > SbH3 iii) HOClO3 > HOClO2 > HOClO > HOCl iv) HBr>HCl>HF The order of acidity is correct for which series? 1. ) all are correct 2. ) ii and iii 3. ) ii and iv 4. ) ii 5. ) i, iii, iv

Organic Chemistry
Would it be possible to separate hexane (b.p. 68.95 degrees Celsius) from toluene (b.p. 110.6 degrees Celsius) by simple distillation?

basic college math
The interest rate on an auto loan in May was 12 3/8%. By September the rate was up to 14 1/4%. How many percentage points did the interest rate increase over the period?

10th grade
15mm to dam

10th grade math
3(X-2)=4-(X-2) 3(X+-2)=4+-X+2 3X+-6=6+-X 4X+-6=6 4X=12 X=3

math
if o o o is 1/5,then what is one?

math
if 6 counters are 3/4,then what is one?

newswriting
positive

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