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Veseljchak [2.6K]
3 years ago
10

With energy, changes in the physical world are possible. These can be a change in speed, a change in direction, a change from co

ld to hot, and many other kinds of changes.
Question 4 options:
True
False
Physics
2 answers:
Yakvenalex [24]3 years ago
4 0

Answer:

i believe it is true

Explanation:

hope this helps

laiz [17]3 years ago
3 0
True because energy can change its speed because of temperature and also its direction
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What is Initial temperature and final temperature equations??<br> ...?
Neporo4naja [7]
One that can help you is:
ΔT=<span>T<span>Final</span></span>−<span>T<span>Initia<span>l
That is of course adding both tmepratures. There is one more that is a lil bit more complex 
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This one is taking into account that yu can find temperature and that there could be a change with a chemical reaction. Hope this helps</span>
8 0
3 years ago
Describe the motion represented by a horizontal line on a distance-time graph.
denpristay [2]

Answer:

hi, this is the answer

Explanation:

A horizontal line on a distance-time graph shows no change in distance, therefore there is no motion.

The object is stationary. ...

Constant speed is motion that occurs with the same ratio of distance to time throughout the entire length of the motion.

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3 0
3 years ago
Directions: Read each question carefully and answer
Lady bird [3.3K]
I have all the answers here so take this

8 0
2 years ago
Which of these statements best describes a similarity between the two galaxies?
Jlenok [28]
Elliptical and Spiral have some similarities, they both are huge and contain lost of dust and also they are held by gravitational forces. 
8 0
3 years ago
Read 2 more answers
A gold ball has a mass of 45g. In a speed test, a golf ball was driven from rest to a velocity of 90m/s.
Andrew [12]

Answer:

1)

Acceleration (a)=change in velocity/ change in time

Velocity (v)=90m/s

Time=0.0005s

a=90/0.0005

The acceleration =180000m/s^2 or 180km/s^2

Force = mass x acceleration

m=40g= 0.04kg

F= 0.04x 180000

F= 7200N or 7.2kN

Explanation:

7 0
3 years ago
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