A stone is suspended from the free end of a wire that is wrapped around the outer rim of a pulley, similar to what is shown in (Figure 1). The pulley is a uniform disk with mass 10.0 kg and radius 21.0 cm and turns on frictionless bearings. You measure that the stone travels a distance 12.2 m during a time interval of 4.00 s starting from rest. Figure h R M m 1 of 1 Find the mass of the stone. Express your answer with the appropriate units. m = 6.44 Submit Previous Answers Request Answer Part B μA X Incorrect; Try Again; 4 attempts remaining T = 6.44 kg Find the tension in the wire. Express your answer with the appropriate units. Submit μA N ? Previous Answers Request Answer P Pearson ?

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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.