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Sati [7]
3 years ago
8

QUESTION 1

Physics
2 answers:
mario62 [17]3 years ago
7 0
It's D. If it absorbed it would be turning to steam. I am taking honors chem in high school we are learning this.
LekaFEV [45]3 years ago
6 0

The First Question: The water releases energy which causes the water molecules to have less kinetic and potential energy, changing their configuration from liquid to solid.


The Second: The ice absorbs energy which causes the water molecules to have more kinetic and potential energy, changing their configuration from a solid to a liquid.



Took the test and both were correct.

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What did you observe when food coloring was added to the glass that was not in the cake pan?
mezya [45]
No one can answer that kind of question since it was a specific project.
6 0
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11. A depression in the ground due to a cave collapse or acidic water dissolution of limestone is called a
Ierofanga [76]
It is a sinkhole so yeah..  letter A
4 0
3 years ago
If two objects at different temperatures are in contact with each other, what happens to their temperatures?
miv72 [106K]

In that case, heat energy flows from the warmer object to the cooler one. 
As heat flows from one to the other, the temperature of the warmer object
falls, and the temperature of the cooler object rises. When the temperatures
are equal, the flow of heat energy from one to the other stops.

6 0
2 years ago
A ball is tied to a 1.3 m string and whirled in a circular motion with a force of 220 N. If its speed is 6 m/s, (a) what is it c
Studentka2010 [4]

The centripetal acceleration is 27.692 kg m / s^2.

The mass of the ball is 7.94 kg.

<u>Explanation:</u>

  • The curved path of an object experience a force known as centripetal force. Its direction is always pointing to the motion of the body towards the center of curvature of the path.

            centripetal force Fc = (mass * square of velocity) / radius

where m represents mass in kg

          v represents  velocity

          r represents radius in a meter.

  • The acceleration experienced in uniform circular motion is called as centripetal acceleration.It always points toward the center of rotation and is perpendicular to the linear velocity.
  •                     centripetal acceleration = v^2 / r

                                                             = (6 * 6) / 1.3

                                                             = 27.692 kg m / s^2.

 The mass of the ball is found by using the centripetal force formula,

  •                               centripetal force Fc = m v^2 / r

                                                      m = (F * r) / v^2

                                                          =  (220 * 1.3) / 36

                           mass of the ball  m = 7.94 kg.

6 0
3 years ago
What is the surface area if the shape?
Oliga [24]
=112yd²
Because 2x4=8
8x2=16
8x4=32
32x2=64
2x8=16
16x2=32

16+64+32=112
4 0
2 years ago
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