Two identical discs of same radius R are rotating about their axes in opposite directions
with the same constant angular speed 
. The disc are in the same horizontal plane. At time t = 0, the points P and Q are facing each other as shown in the figure. The relative speed between the two points P and Q is v r . as function of times best represented by
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
v r = |2 v sin θ ) | = |2v sin ω t) |
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