A bag contains 5 red balls and 4 white balls. Two balls are drawn at random from the bag. The first ball drawn is put back into the bag before the second ball is drawn. What is the probability that two balls drawn are both red?
April 16, 2012
: The coat hanger shown below is made of PVC (polyvinyl chloride). The neck of the hanger is 0.010 m in diameter and is 0.10 m long. If a coat hangs on the hanger, the length of the neck will increase by 1.00 x10 -5 m. 1. What is the mass of the coat? 2. How many such coats ...
September 28, 2011
kcc ..... mechanics(sub)
2 spherical ball aer kept inside ..weight of ball a 3000N. weight of ball b 2000N.. and all surfaies are smooth find the reaction between ball and container............plz sir give me the answer this question ...in this question figure is given but i m not shows figure...
September 9, 2011