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8_murik_8 [283]
2 years ago
7

Question 7 of 10

Physics
2 answers:
astra-53 [7]2 years ago
8 0
Answer D is an example of melting
gayaneshka [121]2 years ago
3 0
D since the ice cube, which is a solid, melts and forms a puddle on the counter, now a liquid. This process is called melting.
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What causes competition among organisms?
irga5000 [103]

Answer:

Whats up Bmw,

The organisms is caused when both the organisms or species are harmed, which is limited supply of at least one resource from food or even water used by both can be a factor.

Explanation:

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8 0
3 years ago
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How does bilateral symmerty extend to our senses?​
andreev551 [17]

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8 0
3 years ago
14. Which is the relationship between photon energy and frequency?
yawa3891 [41]

Answer:

The amount of energy is directly proportional to the photon's electromagnetic frequency and thus, equivalently, is inversely proportional to the wavelength. The higher the photon's frequency, the higher its energy.

i hope this helps.

Explanation:

5 0
2 years ago
An atom of potassium has an atomic mass of 39 amu and an atomic number of 19. It therefore has ______ neutrons in its nucleus.
FromTheMoon [43]
A=atomic mass 
Z=atomic number  (nº of protons).
N=neutons.

A=Z+N

Data:
A=39
Z=19

A=Z+N
39=19+N
N=39-19=20.

It therefore has 20 neutrons in its nucleus.
6 0
3 years ago
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A tennis ball is thrown straight up into the air with an initial velocity of 38 m/s.
geniusboy [140]

Answer:

a) 3.9s

b)74m

Explanation:

a) v=u+at

0=38+(-9.8)t

-38=-9.8t

t=-38/-9.8

t=3.877s

t=3.9s

b) s=ut+1/2at²

s=(38×3.9)+1/2(-9.8×3.9²)

s=148.2 -74.529

s=73.671

s=74m

8 0
2 years ago
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