a class of 15 student with 5 girls and 10 boys.they are divided into 3 groups each of 5 to do different group projectA,B,C respectively .how many ways can be grouped (A)if no restriction?(B)each group has only one gender?
March 20, 2013
The acceleration due to gravity at the north pole of Neptune is approximately 10.7 m/s^2. Neptune has mass 10^26kg and radius 25000km and rotates once around its axis in a time of about 16h. What is the gravitational force on an object of mass 4.8kg at the north pole of ...
November 8, 2011
A thin, light wire is wrapped around the rim of a wheel, as shown in the following figure. The wheel rotates without friction about a stationary horizontal axis that passes through the center of the wheel. The wheel is a uniform disk with radius 0.400 m. An object of mass 4.50...
November 3, 2011
AP US History
C. Identification Supply the correct identification for each numbered description. 1._____ Extended period when glaciers covered most of the North American Continent. 2._____ Staple crop that formed the economic foundation of Indian Civilization. 3._____ Important ...
August 18, 2010