3 years ago

If a 10 cm radius wheel rotates through 2 radians how many meters has it rolled?

1 answer:

6 0

2 radians = 2 full rotations
pi = 3.14

circumference of wheel = 2(pi)r
= 20 * 3.14
=62.8 cm
= 0.628m

meters rolled = 0.628 * 2
=1.256 m

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