monn A so is along at fictionlases planes. Whim the blaxt reduches a is consaues to satele alpig the works in on it As er result of the fricticons fores to speco decreases arri tha dicch contus to a hal; at C. Frie kinelic en trgy of the blocic aid is 374 and the holdgits of A and B arg 12 m and 7 m above
ground respectively.
6. 1 What is the kinello energy of the illosk when it keaches 9 ?