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pogonyaev
3 years ago
10

I NEED HELP PLEASE, THANKS! :)

Mathematics
2 answers:
Furkat [3]3 years ago
6 0

Answer:  4.216 meters per second

<u>Step-by-step explanation:</u>

Notes: Use the following conversions:

                                                                1 revolution = 2π

                                                                100 cm = 1 meter

and the following formula: v = ωr/t where v is in meters per second

\dfrac{11\ revolutions\times 6.1\ cm}{1\ second}\times \dfrac{2\pi}{1\ revolution}\times \dfrac{1\ meter}{100\ cm}=\dfrac{1.342\pi\ meters}{second}\\\\\\=\large\boxed{\dfrac{4.216\ meters}{second}}}

Leona [35]3 years ago
4 0

Answer:

Velocity = 4.22 m/s

Step-by-step explanation:

Time = 1 second

Radius = 6.1 cm

Diameter = 12.2 cm = 0.122 m

<u><em>Displacement = Revolution × π × Diameter</em></u>

Displacement = 11 × 3.14 × 0.122

Displacement = 4.22 m

<u><em>Now, Linear velocity:</em></u>

Velocity = displacement / Time

Velocity = 4.22 / 1

Velocity = 4.22 m/s

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