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makkiz [27]
3 years ago
15

If you tie a rope to a tree and move it up and down, you are creating what kind of wave?

Physics
1 answer:
loris [4]3 years ago
4 0
This is called a<em> standing wave</em> since the waves don't move ALONG the rope. They just kind of stand in one place on the rope. if you just whip a long rope that's not tied to anything, you see the wave move along the rope, this is a TRANSVERSE wave. When you crack a qhip you send a transverse wave down the whip which concentrates in the tip, accelerating the tip to faster than the speed of sound resulting in a tiny sonic boom or "whip crack".
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A. A horse pulls a cart along a flat road. Consider the following four forces that arise in this situation.
never [62]

Answer:

a) F₁ = F₂,  F₃ = F₄,  b)  the correct answer is 3

Explanation:

a) In this exercise we have several action and reaction forces, which are characterized by having the same magnitude, but different direction and being applied to different bodies

Forces 1 and 2 are action and reaction forces F₁ = F₂

Forces 3 and 4 are action and reaction forces F₃ = F₄

as it indicates that the

b) how the car increases if speed implies that force 1> force3

      F₁ > F₃

therefore the correct answer is 3

3 0
3 years ago
Is a mirrors surface transparent translucent or opaque how do you know.
Eva8 [605]
There are actually two different kinds of mirrors, and the answer is different
for each one.

-- Plain old everyday hand mirror, vanity mirror, bathroom mirror, makeup
mirror, etc.

Opaque, reflecting silver coating is on the back of the glass. 
Light from your tongue or your teeth flows to the front surface of the glass,
through the glass, out of the back surface of the glass, bounces off of the silver
coating on the back, reverses its direction, enters the back surface of the glass,
comes back through the glass again, leaves the front of the glass, goes into your
eyes, and you can see your teeth or your tongue.

Both surfaces of the glass, as well as the glass in between the surfaces, are
transparent.  The silver coating on the back is opaque.  I know that, because
when I look at the back of a mirror, I can't see any light coming through it. 
The coating on the back is also reflective ... a big part of the reason why
a mirror works.

-- Expensive mirrors used by astronomers and eye-doctors.
Known as "first surface" mirrors.

Opaque, reflecting silver coating is on the <em>front</em> of the glass. 
Light from your tongue or your teeth flows toward the front surface of the glass,
but never actually gets there.  It bounces off of the silver coating on the front of
the glass, reverses its direction, goes into your eyes, and you can see your teeth
or your tongue.

The glass is transparent, but that doesn't matter, because the light never reaches
the glass. It only goes as far as the opaque silver coating on the front, and is
reflected from there.

4 0
3 years ago
6. A baseball player leads off the game and hits a long home run. The ball leaves the bat at an angle
dangina [55]

Answer:

I don't really know this one sorry

6 0
2 years ago
A persons height will be the same on jupiter and earth. A persons weight will be greater on jupiter than on earth. True or false
Feliz [49]
That is true. its more than twice as heavier
5 0
3 years ago
According to the Law of the Conservation of Matter, if you dissolve 25 grams of sugar into 150 grams of water, the mixture shoul
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19grams becauce if u
7 0
2 years ago
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