Tuesday
May 21, 2013

Total # Posts: 30

Chemistry
Calculate the amount of heat required to take 3.00kg of ice at -10 degrees Celsius to 115 degrees celsius.

Mr. Hightower recorded the amount of each project that had been completed at the end of the week. The line plot describes the information he recorded. What fraction of the projects were complete?

physics
When driven by a 120 Hz vibrator, a string has transverse waves of 31 cm wavelength traveling along it. (a) What is the speed of the waves on the string& (b) Is the tension in the string is 1.2 N, what is the mass of 50 cm of the string?

physics
Two blocks with masses m1 = 7 kg and m2 = 4 kg are connected with a rope and move on two surfaces of a right-angled wedge as shown in Fig. 6.6 Given that θ1 = 37 °, θ= 53°, μ= 0.2, and μ= 0.1, find the acceleration of the blocks

Mechanics M1
A rabbit runs in a horizontal straight line ABC across a field (a)the rabbit runs from rest at A with a constant acceleration of 0.8 m/s^2 and reaches B after 3 seconds, find its speed at B

math
The sum of the firest 9 terms of an A.P is 72 and the sum of the next 9 terms is 71, find the A.P

math
The sum of the firest 9 terms of an A.P is 72 and the sum of the next 9 terms is 71, find the A.P

geometry
if a measure of an angle is -2x^2+19x and the measure of it's supplement is 4x^2-6 what's the measure of angle and supplement

statistics
1. Use the following information about a group of college students: Fifty percent are taking Algebra. Sixty percent are taking Biology. Thirty percent are taking both Biology and Algebra. A student from the group is selected at random, calculate the following: a) The probabil...

chm
Silver chloride, often used in silver plating, contains 75.27% .Calculate the mass of silver chloride required to plate 195 of pure silver.

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