Answers

2016-03-12T15:35:28+05:30
WD = KE = mv²/2
= 1500 * 60 * 5/18 * 60 * 5/18 / 2
= 1500 * 16 * 16/2
192000J
0
y did u multiply 5/18 twice rather than once
because thr is velocity square
thnx mewe
:)
2016-03-14T13:57:52+05:30
Work done= -1/2mv^2
-1/2*1500*5/18*60
-208416.675
0