Answered

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Leon’s bicycle wheels have a circumference of 2 m. What is his linear speed when the wheels rotate at 1 revolution per second? Show all work leading to your answer.

Sagot :

AL2006

The Data:
Circumference of wheel = 2 meters
1 revolution per second

The Work:

-- If the wheel doesn't slip on the ground, then the ground goes by
at the same rate that a point on the rim of the wheel moves.

-- 1 revolution per second = 1 circumference per second = 2 meters per second

-- (2 meters/sec) x (3,600sec/hour) x (1 km/1000m) = 7.2 km per hour


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