3 years ago

Which of these best explains the ability of small insects to walk on the surface of still water?

1 answer:

7 0

Well, the surface of still water has surface tension. If there isn't enough mass or weight to break the surface tension, the object will float.

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3 years ago

You can enter compound units that are combinations of other units that are multiplied together. to enter the ⋅ explicitly, type

alexdok [17]

Answer:

$30 N \cdot m$

Explanation:

The torque applied by a force can be calculated as

$\tau = F d sin \theta$

where

F is the magnitude of the force

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In this problem, we have

F = 15 N

d = 2.0 m

$\theta=90^{\circ}$

Substituting into the equation, we find

$\tau = (15)(2.0) sin 90^{\circ}=30 N \cdot m$

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3 years ago

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3 years ago

When a laser shines on a screen after passing through two closely spaced slits, you see ___

Aleonysh [2.5K]

Answer:

diffraction

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diffraction occurs when light passes sharp edges or goes through narrow slits the rays are deflected and produce fringes of light and dark bands

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