An insect trapped in a circular groove of radius 12cm moves along the growth steadily and completes 7 revolutions in 100s. What is the linear speed of the motion?

An insect trapped in a circular groove of radius 12cm moves along the growth steadily and completes 7 revolutions in 100s. Is the acceleration vector a constant vector ? What is its magnitude?

An object moving uniformly in acircular path of radius 12cm completes 7 revolutions in 100s . What is the angular speed, and the linear speed of the motion?

A 100 turn closely wound circular cell of radius 10 cm carries a current of 3.2A (a) what is the field at the centre of the coil? (b) What is the magnetic moment of this coil? The coil is placed in a vertical plane and is free to rotate about a horizontal axis which coincides with its diameter. A uniform magnetic field 2 T in the horizontal direction exists such that initially the axis of the coil is in the direction of the field. The coil rotates through an angle of 90^(o) under the influence of the magnetic field (c) What are the magnitudes of the torques on the coil in the initial and final position? (d) What is the angular speed acquired by the coil when it has rotated by 90^(o) ? The moment of inertia of the coil is 0.1 kg m^(2) .