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DaniilM [7]
3 years ago
9

In the process of melting, what best describes what happens to a solid?

Physics
2 answers:
lions [1.4K]3 years ago
6 0

The correct answer is A.

In the process of melting, a solid will gain kinetic energy and become a liquid.

Hope this helps,

Davinia.

Eduardwww [97]3 years ago
5 0
<span>a. A solid will gain kinetic energy and become a liquid.</span>
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I have a test for my finals can y’all help me?
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2 years ago
HELP SCIENCE 8 15 pts
Bingel [31]

Answer:

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Vector is a quantity having direction as well as magnitude, especially as determining the position of one point in space relative to another.

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Explanation:

4 0
3 years ago
A boat traveling across a river has a resultant velocity of 10 km/h and travels 34 degrees with respect to the shore. A) What is
vodka [1.7K]

Answer:

a) 1.55 m/s

b) 2.3 m/s

Explanation:

We know that the boat travels across the river, if we define the river as the x-axis, then the velocity of the boat is only on the y-axis.

Then we can write the velocity of the boat in still water as:

S = (0, B)

Now, when the boat is on the river, the velocity of the boat will be equal to the velocity of the boat in still water plus the velocity of the river.

The velocity of the river is:

v = (R, 0).

Then the velocity of the boat in that river is:

V' = (0, B) + (R, 0) = (R, B)

Now, we know that the velocity of the boat is 10km/h, and it travels at an angle of 34° with respect to the shore.

We can use the Pythagoreans theorem to write the components of this velocity as:

x-axis component = 10km/h*cos(34°) = 8.29 km/h

y-axis component = 10km/h*sin(34°) =  5.59 km/h

Then the velocity of the boat can be written in components as:

velocity = ( 8.29 km/h,  5.59 km/h)

And we knew that the velocity of the boat was written as  (R, B)

Then we must have:

R = 8.29 km/h

B = 5.59 km/h

a) The speed of the boat in m/s:

We know that the speed of the boat is 5.59 km/h.

First, we know that:

1km = 1000m, then:

5.59 km/h = 5.59*(1000m)h = 5,590 m/h

And we know that:

1h = 3600s

Then we can write:

5,590 m/h = 5,590 m/(3600s) = 1.55 m/s

b) The speed of the river in m/s:

We know that the speed of the river is 8.29 km/h

Using the same reasoning as above, we can do the change of units as follows:

8.29 km/h = 8.29 (1000m)/(3600s) = 2.3 m/s

6 0
2 years ago
What is the displacement of a spring if it has a spring constant of 10 N/m, and a force of 2.5 N is applied?
pochemuha
O.25 m is the displacement
5 0
3 years ago
Read 2 more answers
Please help! you are amazing! brainliest too!
german
I think it’s B hope it helps:)
6 0
2 years ago
Read 2 more answers
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