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Sagot :
The speed of the coin when it rides without slipping at a distance of 5.0cm from the center of the turntable is 0.49 m/s.
No of revolutions made in 3.14s = 3rev
No of revolutions made in 1s = 3/3.14 = 0.96rev
Frequency = 0.96Hz
Time period T = 1/f = 1/0.96 = 1.05s
Angular velocity ω = 2π / T = 2π / 1.05 = 5.98 rad/s
Speed v = rω = 0.05 * 5.98 = 0.49m/s
The distance traveled rel.ative to the time it took to travel that distance is how fast s0mething is moving. As it just has a direction and no magnitude, speed is a scalar quantity. When an object travels an identical distance in an identical amount of time, it is said to be moving at uniform speed.
If an object travels a varied distance at regular intervals while maintaining the same speed, the speed is said to be variable.
Average speed is the average speed that is determined by the ratio of an object's total distance traveled to its total time traveled.
Instantaneous speed is the speed of an object while it is travelling at any given moment at a changeable pace.
Learn more about speed here:
https://brainly.com/question/2141628
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