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kari74 [83]
1 year ago
9

suppose the circumference of a bicycle wheel is 2 meters. if it rotates at 1 revolution per second when you are riding the bicyc

le, then your speed will be group of answer choices 2 m/s. 1 m/s. 3 m/s. 6.28 m/s. 3.14 m/s.
Physics
1 answer:
kirill115 [55]1 year ago
4 0

Then the speed of the rider is, v = 2m/s

The linear velocity of an object in a straight line is its speed.

The following is the relationship between linear and angular velocity:

v = rω

The circumference of the bicycle wheel is,

2\pir = 2

r = 0.318m

The angular velocity of the wheel is,

ω = 1rev/sec = 2\pirad/s

Then the speed of the rider is,

v = rω

v = 0.318×2π

v = 2m/s

Learn more about  angular velocity here:

brainly.com/question/12446100

#SPJ4

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Answer:

m = 8

Explanation:

A telescope is a device that allows us to see objects that were very far from us, it is built by the combination of two lenses, the one with the lowest focal length near the eye and that is the one or the one with the greatest focal length, the most eye-flounder . The magnification of the telescope is

            m = - f₀ / f_{e}

Where f₀ is the focal length of the lens and f_{e} is the false distance of the eyepiece.

It is this problem that gives us the diopter of each lens, these are related to the focal length in meters

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Explanation:

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