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bija089 [108]
3 years ago
14

Which is true of the particles in a solid?

Physics
2 answers:
babymother [125]3 years ago
6 0

Answer:

They are packed together in fixed positions

Explanation:

makkiz [27]3 years ago
3 0

Answer:

The first statement is true about solids.

They are packed together in fixed positions.

As the molecules are closely packed to each other.

hope it helps!

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One gram of Uranium averages release 1.01 KJ (10^7) of energy. How much mass could be converted to energy to release this much e
frutty [35]

Answer:

The amount of mass that needs to be converted to release that amount of energy is 1.122 X 10^{-7}  kg

Explanation:

From Albert Einstein's Energy equation, we can understand that mass can get converted to energy, using the formula

E= \Delta mc^{2}

where \Delta m = change in mass

c = speed of light = 3 \times 10 ^{8}m/s

Making m the subject of the formula, we can find the change in mass to be

\Delta m = \frac{E}{c^{2}}= \frac{1.01 \times 10^{3} \times 10^{7}}{(3 \times 10^{8})^{2}}= 1.122 \times 10 ^{-7}kg

There fore, the amount of mass that needs to be converted to release that amount of energy is 1.122 X 10 ^-7 kg

5 0
3 years ago
What is the difference in atoms involved in a chemical reaction and a nuclear reaction?
NeX [460]
In chemical reactions, electrons are transferred.
While in nuclear reactions, protons and neutrons are the ones transferred.

Hope this helps.<span />
4 0
3 years ago
A diverging lens of focal length 18.0m is used to view a shark that is 90.0m away from the lens. If the image formed is 1.0m lon
Reil [10]

Answer:

i. + 22.5 m ii. 4.0 m

Explanation:

i. Image distance

Using the lens formula

1/u + 1/v = 1/f where f = focal length = + 18.0 m, u = object distance = distance of shark away from lens = + 90.0 m and v = image distance from lens = unknown

So, we find v

1/v = 1/f - 1/u

= 1/+18 - 1/+90

= (5 - 1)/90

= 4/90

v = 90/4

= + 22.5 m

So the image is real and formed 22.5 m away on the other side of the lens.

ii Length of Shark

Using the magnification formula, m = image height/object height = image distance/object distance. image height = 1.0 m where object height = length of shark.

m = image distance/object distance

= v/u

= +22.5/+90

= 0.25

0.25 = image height/object height

So,

object height = image height/0.25

= 1.0 m/0.25

= 4.0 m

So, the length of the shark is 4.0 m

7 0
3 years ago
Calculate the volume occupied by a glass cup having a mass of 260 g knowing that the
Alja [10]

Answer:

100 milliliters

Explanation:

6 0
3 years ago
What is the temperature of a gas in which the atoms are moving very very slowly
Mice21 [21]
The temperature of a gas in which the atoms are moving slowly is (THE COLD). 




THAT'S IT! :)
4 0
3 years ago
Read 2 more answers
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