Linear and Angular Speed

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Key terms of motion

Rema t

United States

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Compléter Linear and Angular SpeedVersion en ligne Key terms of motion par Rema t 1 In physics , describes how fast an object moves along a path , measured in meters per second . r , linear speed equals , meaning a faster rotation or a larger wheel increases the speed of points on the rim . This relationship links rotation to motion in gears , wheels , and turbines . 2 A student works with linear problems . A car travels a of 120 at a speed of 60 kilometers per hour . How long does the trip take ? The vehicle then continues at 80 kilometers per hour for another leg . If any segment uses a different speed , you will need to convert distance and duration accordingly . Remember that how fast something moves and its velocity describe motion , while it goes . 3 Consider a rotating disk with ? = 2 rad / s and a r = 3 m . The v equals ? r , so v = 6 m / s . After 5 s , the is ? = ? t = 10 rad , about 572 . If the radius increases to 5 m while ? remains constant , the tangential speed becomes 10 m / s . A larger would be required to increase angular speed .