Total # Posts: 25
A circus performer stretches a tigthrope between two towers. He strikes one end of the rope and sends a wave along it toward the other tower. He notes that it takes the wave 0.800 s to reach the opposite tower, 20.0 m away. If a 1.00 m length of the rope has a mass of 0.350 kg...
August 19, 2015
the answer will have to be a number that can go into 60 so list the factors. 60:1,2,3,4,5,6,10,12,15,20,30,60.Then minus all the numbers by seven.whatever number has a sum that is divisible by 60 is your answer.
September 9, 2014
#1 Mr. Jones got a loan for a sum of money, and at the time of repayment he owed $75 in interest. Mr. Brown borrowed three times the amount of money Mr. Jones had borrowed at the same rate of interest for twice as long a time. How much interest does Mr. Brown pay? #2 Mr. Baker...
July 21, 2014
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?
October 11, 2012
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 ...
December 19, 2011
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!
November 3, 2011
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?
September 25, 2011
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
November 22, 2009
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?
June 19, 2009