1.Determine the velocity of the 30 kg block A if two block are released from rest and the 20 kg block B moves 0.6 m up the incline. the coefficient of kinetic friction between both blocks and the inclined plane is 0.10
2.The 3 kg block is released from rest at A and slides down the smooth parabolic surface. determine the maximum compression of the spring.
3.Under what situation shall engineers use jacking at one end only and from both ends in prestressing work?
4.Write a program that processes a sequence of lines from a file, displaying a count of the total number of words in those lines as well as counts of words with one letter two letters,and so on .