A part is made of a particle of mass m = 5 kg and a bar of mass M = 10 kg. Length L = 1.2m. The part rotates freely about point O as shown. (a) Calculate the moment of inertia of the mass about the axis passing through O and perpendicular to the bar. (b) It is subject to a toque T = 1.8 Nm. If it starts from stationary. What is the angular velocity after 5 seconds? (a) lo= 12.0 kgm² (b) w₁ 0.75 rad/s M T

Q: pls answer subpart D . I have submitted it as annew question

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Angular speed, acceleration and displacement

Angular acceleration is defined as the rate of change in angular velocity with respect to time. It has both magnitude and direction. So, it is a vector quantity.

Angular Position

Before diving into angular position, one should understand the basics of position and its importance along with usage in day-to-day life. When one talks of position, it’s always relative with respect to some other object. For example, position of earth with respect to sun, position of school with respect to house, etc. Angular position is the rotational analogue of linear position.