Home › CBSE Class 11 (Science) › Physics › Motion in a Plane › A fan blade has an angular speed of pi rad/s. Wh…
A fan blade has an angular speed of pi rad/s. What is its time period of revolution?
A1 s
B2 s
C0.5 s
Dpi s
Answer & Solution
Correct answer: B. 2 s
Period T = 2 pi/omega = 2 pi/pi = 2 s.
Related questions
A ballistic missile is guided only during itsA projectile is launched at 45 degrees with speed v and g is the gravity magnitude. Its tiA body of 1 kg moves on a circle of radius 1 m at 1 rad/s. The centripetal force on it isA ceiling fan blade tip moves in uniform circular motion. Its velocity is alwaysFor a fixed launch speed on level ground, the horizontal range is largest at a launch anglAn idealised projectile with air resistance neglected follows a path that isIn non-uniform circular motion, the extra component of acceleration isParticles of a rigid body rotating about a fixed axis all share the same