Three particles start moving simultaneously from a point on a horizontal smooth plane. First particle moves with speed v 1 towards east, second particle moves towards north with speed v 2 and third one moves towards north east. The velocity of the third particle, so that the three always lie on a straight line, is
A
B
s
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
using 
we have
⇒ ⇒ v 3 = 
,
Hence is correct.
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