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Wewaii [24]
3 years ago
15

The speed of a cruise ship is 50,000 m/hr. How fast is it moving in m/s?

Physics
1 answer:
solong [7]3 years ago
3 0

Answer:

13.888888 (on forever)

Explanation:

there are 3600 seconds in an hour if it is moving at an hourly rate then you just need to divide 50,000 buy 3600 in which case you get 13.88888

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A bicycle wheel rotates at a constant 25 rev/min. What is true about its angular acceleration?
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Answer:

The angular acceleration is zero

Explanation:

When an object is in rotational motion, it has a certain angular velocity, which is the rate of displacement of its angular position.

This angular velocity can change or remain constant - this is given by the angular acceleration, which is:

\alpha =\frac{\Delta \omega}{\Delta t}

where

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\Delta t is the time elapsed

Therefore, the angular acceleration is the rate of change of angular velocity.

In this problem, the bicycle rotates at a constant angular velocity of

\omega=25 rev/min

This means that the change in angular velocity is zero:

\Delta \omega=0

And so, that the angular acceleration is zero:

\alpha=0

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vekshin1

i would say that the correct answer would be cc


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How can you tell that this paragraph uses a quotation?<br> Check all that apply?
Debora [2.8K]

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