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Dennis_Churaev [7]

4 years ago

15

1.How can you conserve water in the kitchen?

1 answer:

PIT_PIT [208]4 years ago

4 0

Instead of washing vegetables in running water, fill a bowl of water and wash inside the bowl.

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Two iron weights, one twice the mass of the other, are dropped from the top of a building. Compared with the lighter weight, the

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What's the concept of mass ?

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3 years ago

We can model the motion of a bumblebee's wing as simple harmonic motion. A bee beats its wings 250 times per second, and the win

zlopas [31]

Answer:

The amplitude of the wing tip's motion is 1.6 mm.

Explanation:

Given that,

Beat = 250 /s

Speed = 2.5 m/s

We need to calculate the amplitude of the wing tip's motion

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$v_{max}=2\pi f A$

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Where,

v = speed

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Put the value into the formula

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$A=1.6\ mm$

Hence, The amplitude of the wing tip's motion is 1.6 mm.

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4 years ago

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