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3 years ago

What statement BEST describes a solid?

Physics

2 answers:

tester [92]3 years ago

6 0

Answer:

anwser is c

Explanation:

hope this helps

BARSIC [14]3 years ago

5 0

Solids: definite shape, definite volume
Because they are stiff and the molecules don't move around, they vibrate quickly.
Liquids: indefinite shape, definite volume
Because the shape or "fixed" area of liquids won't stay the same.
Gases: indefinite shape, indefinite volume
Because you've probably noticed, gases are set more freely, allowing molecules to move more freely than in solids and liquids.
x) Hope I helped! Which do you think it is?

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miss Akunina [59]

Answer:

Option 2

Explanation:

Weight of the box is being acted downwards due to gravity

However, based on Newton's third law (for every action (force) in nature there is an equal and opposite reaction), an equal force will act on the box by the table

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3 years ago

Read 2 more answers

Which has more momentum, a speeding baseball or an ocean liner at rest in a harbor?

uranmaximum [27]

Momentum is (mass) times (speed), so nothing that is at rest has any momentum. If the battleship is at rest, then a mosquito in flight, a leaf falling from a tree, and your speedy baseball each have more momentum than the ship has.

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3 years ago

A disc of mass m slides with negligible friction along a flat surface with a velocity v. The disc strikes a wall head-on and bou

qwelly [4]

Answer:

-v/2

Explanation:

Given that:

a disc of mass m

Collides with the wall going through a sliding motion on on the plane smooth surface.

Upon rebounding from the wall its kinetic energy becomes one-fourth of the initial kinetic energy before collision.

<u>We know, kinetic energy is given as:</u>

$KE_i=\frac{1}{2}. m.v^2$

consider this to be the initial kinetic energy of the body.

<u>Now after collision:</u>

$KE_f=\frac{1}{4}\times KE_i$

$KE_f=\frac{1}{4} \times \frac{1}{2}\times m.v^2$

Considering that the mass of the body remains constant before and after collision.

$KE_f=\frac{1}{2}\times m.(\frac{v}{2})^2$

Therefore the velocity of the body after collision will become half of the initial velocity but its direction is also reversed which can be denoted by a negative sign.

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3 years ago

4. Coloca las partes en orden para formar una frase.

Rainbow [258]

La energía no se crea ni se destruye solo se transforma

Explanation:

espero y te ayude

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3 years ago

How much higher is 0.25 meters than 0.0254 meters (with real objects)

sineoko [7]

Answer:

0.2246 meters

Explanation:

.25-0.0254 meters = 0.2246 meters

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3 years ago