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labwork [276]
3 years ago
5

QUICK PLEASE HELP! What do sound waves, light waves, and ocean waves all have in common?

Physics
1 answer:
Pavel [41]3 years ago
7 0

-- transport of energy
-- wavelengths equal to their speed divided by their frequency
-- frequencies equal to their speed divided by their wavelength
-- periods equal to the reciprocal of their frequency
-- speeds that are determined by the characteristics of the medium


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What is an isotope?
NikAS [45]

Answer:

A

Explanation:

they are atoms of the same element that have the same number of protons but different number of neutrons.

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3 years ago
3 Below, someone is trying to balance a plank with
belka [17]

Answer:

a. The moment of the 4 N force is 16 N·m clockwise

b. The moment of the 6 N force is 12 N·m anticlockwise

Explanation:

In the figure, we have;

The distance from the point 'O', to the 6 N force = 2 m

The position of the 6 N force relative to the point 'O' = To the left of 'O'

The distance from the point 'O', to the 4 N force = 4 m

The position of the 4 N force relative to the point 'O' = To the right of 'O'

a. The moment of a force about a point, M = The force, F × The perpendicular distance of the force from the point

a. The moment of the 4 N force = 4 N × 4 m = 16 N·m clockwise

b. The moment of the 6 N force = 6 N × 2 m = 12 N·m anticlockwise.

8 0
3 years ago
a person brings his face close to a mirror . h e finds that the image of his face is magnified write the name of the mirror used
DIA [1.3K]

Answer:

Spherical concave mirrors

Explanation:

Like spherical convex mirrors, spherical concave mirrors have a focus. If the object is closer to the mirror than the focal point is, the image will be virtual, like we talked about before for the plane mirror and the convex mirror.

Concave mirrors, on the other hand, can have real images. If the object is further away from the mirror than the focal point, the image will be upside-down and real---meaning that the image appears on the same side of the mirror as the object.

The closer the object comes to the focal point (without passing it), the bigger the image will be.

You can try this yourself by looking into the concave side of a shiny spoon. If you look into the spoon while holding it at arm’s length, you’ll see an extremely magnified, upside-down image of your face. But as you bring the spoon closer to your eyes, the image will get bigger and bigger.

<em>- Hope this helps! <3</em>

5 0
3 years ago
What is one way that humans interact with Earth's systems?
aleksandr82 [10.1K]

Answer:

Using phones is messing with the ozone layer

Explanation:

6 0
3 years ago
1. Suppose you're working at a constant temperature , when you exert more pressure on an object
vova2212 [387]

Answer:

Decrease

Explanation:

Working at a constant temperature when more pressure is exerted, the volume decreases.

This is known as Boyle's law.

 According to Boyle's law;

       "the volume of a fixed mass of a gas varies inversely as the pressure changes, if the temperature is constant".

  Mathematically;

          P₁V₁  = P₂V₂

P and V are pressure and volume

1 and 2 are initial and final states.

8 0
3 years ago
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