viii) if á = 2i - 3ị and 6 = 4 +j then a. b is
(a)-5
(b) 5
(c) 11
(d) -11
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The length of a second ' s hand in a watch is 1 . cm . ... Calculate the work done( A ) 50 J ( B ) 100J ( C ) O ( D ) – 25 J 27 . ... 4 – 5j + 5Â ; F z = sî + 89 + 6 ; 73 - - 3î + 49 - T ; F = 2î – 3î – zł , then the particle will move
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