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Vadim26 [7]
3 years ago
14

Which of these describes a real image?

Physics
1 answer:
Margaret [11]3 years ago
8 0
Image from a far away object formed by a concave mirror

I have no idea but this is my best guess as a sophomore in college
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True or false. when objects collide , some momentum is lost
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It is neither false nor true. When they collide some of one of the objects goes to the other object.

Explanation:

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Magna Carta. I’m pretty sure it’s the correct answer.
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A spring is stretched from x=0 to x=d, where x=0 is the equilibrium position of the spring. It is then compressed from x=0 to x=
VARVARA [1.3K]

Answer:

The same amount of energy is required to either stretch or compress the spring.

Explanation:

The amount of energy required to stretch or compress a spring is equal to the elastic potential energy stored by the spring:

U=\frac{1}{2}k (\Delta x)^2

where

k is the spring constant

\Delta x is the stretch/compression of the spring

In the first case, the spring is stretched from x=0 to x=d, so

\Delta x = d-0=d

and the amount of energy required is

U=\frac{1}{2}k d^2

In the second case, the spring is compressed from x=0 to x=-d, so

\Delta x = -d -0 = -d

and the amount of energy required is

U=\frac{1}{2}k (-d)^2= \frac{1}{2}kd^2

so we see that the amount of energy required is the same.

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Molecules can be made of atoms of
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Does crystallization break down rocks at earths surface to form sediment
Nana76 [90]

Answer:

No

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Crystizaltion of magma turns into indeginous rocks which then turns into sediment after weathering and erosion.

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