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18) The clock on a clock tower has a radius of 1.0 m.


18) The clock on a clock tower has a radius of 1.0 m.

 1. What's the angle of rotation between the hour hand of the clock when it moves from 12:00 pm to 3:00 pm?

 2. What's the arc length along the outermost edge of the clock between the hour hand at these two times?

25) A disc spins at the rate of 200 revolutions per minute. What is the linear speed of a point 2 cm away from the center?

27) A tire of a trolley has radius 0.10 m. The surface of the tire has a linear velocity of 1.2 m/s. What is the tire's angular speed?

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