Home › CBSE Class 11 (Science) › Physics › Motion in a Plane › A particle moves on a circle of radius 2 m at 3 …
A particle moves on a circle of radius 2 m at 3 rad/s. What is its centripetal acceleration?
A6 m/s^2
B12 m/s^2
C18 m/s^2
D9 m/s^2
Answer & Solution
Correct answer: C. 18 m/s^2
Centripetal acceleration is omega^2 R = 9 x 2 = 18 m/s^2.
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