Kinematics Question 805

Question: If the length of the second’s hand in a stop clock it’s 3 cm the angular velocity and linear velocity of the tip is [Kerala PET 2005]

Options:

A) 0.2047 rad/sec., 0.0314 m/sec

B) 0.2547 rad/sec., 0.314 m/sec

C) 0.1472 rad/sec., 0.06314 m/sec

D) 0.1047 rad/sec., 0.00314 m/sec

Show Answer

Answer:

Correct Answer: D

Solution:

ω=2πT=2π60=0.1047 rad/s and v=ωr=0.1047×3×102=0.00314 m/s



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