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Nadya [2.5K]
4 years ago
14

The energy needed to change an amount of a substance from a solid to a liquid is the

Physics
1 answer:
Korvikt [17]4 years ago
3 0

Answer:

Heat or thermal energy!!!

Explanation: When heat is added the particles speed up at rapid rates causing the state of the object to change nd in order to melt it must be heated.

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A billiard ball moving at 5 m/s strikes a stationary ball of the same mass. After the collision, the original ball moves at a ve
SIZIF [17.4K]

90 degrees - 30 = 60 degrees

Velocity = (5m/s - 4.35m/s x cos(30)) / cos(60)

Velocity = 2.47 m/s

The answer is D) 2.47 m/s at 61.9 degrees

8 0
3 years ago
Which of the following processes could NOT be used to separate dissolved particles from the liquid in a solution? *
DIA [1.3K]

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Vaporation

Explanation:

In the vaporization or boiling, the passage of particles from the liquid state to the gaseous state occurs completely

5 0
4 years ago
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Question 2 (1 point)
Tju [1.3M]

Answer:

I know someone anwsered but it would be 400M

Explanation:

i initial velocity (u)=10m/s

acceleration (a)=0

time taken (t) =40s

then distance (s)=u t +1/2 a t^2

s= u t +0 (as a is 0)

s= 10 x 40

s= 400M

7 0
3 years ago
Which of the following better describe planets most comparable to Earth?
wariber [46]

Answer:

??????¿?????????????????????¿

8 0
3 years ago
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7. A 2.0 kg block, starting from rest, is pushed by a
11Alexandr11 [23.1K]

Answer:

(A) 0.8 kgm/s

Explanation:

because of the even ground it would only slow down

7 0
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