Kinematics

A boat is moving with a velocity (3i+4j)with respect to ground.The water in the river is moving with a velocity -3i-4j with respect to ground.The relative velocity of the boat with respect to water is
(a)8j (b)-6i-8j (c)6i+9j (d)zero
(According to me,
Vbr=vb-vr
=(3+3)i+(4+4)j
=6i+8j
correct naswer given is (c) )

3 Answers

1057
Ketan Chandak ·

u are correct...i think answer given is incorrect....

11
epsilon ·

yes Anik u r right..
such mein "Please Help me out" is not there anymore :p
good! good!

158
Anik Chatterjee ·

ya i also think that ...there is a misprint in the option (it should be 8j)
haa finally...got rid of the "Please help me out"....:P

Your Answer

Close [X]