4 years ago

ASAP pls answer Right please I have soooo much work they overwork me

1 answer:

6 0

D , a , c , d , d , c , d

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arlik [135]

Answer:

Explanation:

It's 9.8 m/s^2

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3 years ago

Paraphin [41]

The answer is ...
28 km per hour

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3 years ago

Anna35 [415]

Answer:

<u>The answer would be D) gravity and air resistance.</u>

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2 years ago

elena55 [62]

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3 years ago

iogann1982 [59]

Answer:

276.5 m/s^2

Explanation:

The initial angular velocity of the turbine is

$\omega=0.626 rev/s \cdot 2\pi rad/rev =3.93 rad/s$

The length of the blade is

r = 17.9 m

So the centripetal acceleration is given by

$a=\omega^2 r$

At the instant t = 0,

$\omega=3.93 rad/s$

So the centripetal acceleration of the tip of the blades is

$a=(3.93 rad/s)^2 (17.9 m)=276.5 m/s^2$

5 0

3 years ago