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Leokris [45]
2 years ago
10

A bird travels at a speed of 14.2 m/s for 514 meters. How many seconds did it fly?

Physics
2 answers:
JulsSmile [24]2 years ago
6 0

Answer:

<h2>Time = 36.19 seconds</h2>

<u>Explanation:</u>

Speed = 14.2 m/s

Distance = 514 m

Time = Distance / Speed

Time = 514 / 14.2

<u>T</u><u>i</u><u>m</u><u>e</u><u> </u>= <u>3</u><u>6</u><u>.</u><u>1</u><u>9</u><u> </u><u>s</u><u>e</u><u>c</u><u>o</u><u>n</u><u>d</u><u>s</u>

Makovka662 [10]2 years ago
5 0

Answer:

0.54 sec

Explanation:

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Answer:

B

Explanation:

Water level remains unchanged

The first thing to realize is that the buoyancy force is the same as, or equal to the weight of the wood, this same force is also the same as or equal to the weight of the water displaced by the wood. In the two cases, the weight of the wood will be unaffected nonetheless, and thus the water level will remain the same.

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3 years ago
A disk of mass M and radius R rotates at angular velocity ω0. Another disk of mass M and radius r is dropped on top of the rotat
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Answer:

\omega = \frac{(R^2\omega_o}{(R^2 + r^2)}

Explanation:

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also we have

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now we have

\omega = \frac{MR^2\omega_o}{(MR^2 + Mr^2)}

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Explanation:

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