A race car makes two and a half laps around a circular track in 3.0 min. What is the car’s average angular speed?
Answer to relevant QuestionsThe polar coordinates of a point are (5.3 m, 32o). What are the point’s Cartesian coordinates? A merry-go-round makes 24 revolutions in a 3.0min ride. (a) What is its average angular speed in rad/s? (b) What are the tangential speeds of two people 4.0 m and 5.0 m from the center, or axis of rotation? An Indy car with a speed of 120 km/h goes around a level, circular track with a radius of 1.00 km. What is the centripetal acceleration of the car? In performing a “figure 8” maneuver, a figure skater wants to make the top part of the 8 approximately a circle of radius 2.20 m. He needs to glide through this part of the figure at approximately a constant speed, ...A flywheel rotates with an angular speed of 25 rev/s. As it is brought to rest with a constant acceleration, it turns 50 rev. (a) What is the magnitude of the angular acceleration? (b) How much time does it take to stop?
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