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Katarina [22]
3 years ago
15

What can be broken but never held?

Physics
2 answers:
Alex777 [14]3 years ago
6 0

Answer:

A promise :)

Explanation:

Hope this helps :)

geniusboy [140]3 years ago
4 0

Answer:a heart

Explanation:

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Describe the point at which the kinetic energy of the pendulum is the highest
Arlecino [84]
The highest point<span> of the </span>pendulums<span> swing is when the potential energy is at its </span>highest<span> and the </span>kinetic energy<span> is at its lowest.</span>
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3 years ago
Individuals who suffer from a mental disorder are most likely to commit violent crimes. true or false
Damm [24]
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I hope this helps!
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3 years ago
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Calculate the work done by a force of 30 N in lifting a load of 2 kg to a height of 10 m (g = 10 m/s2)
Mars2501 [29]

Answer:

<u>300 J</u>

Explanation:

Given :

  1. Applied force = 30 N
  2. Mass = 2 kg
  3. Height = 10 m
  4. g = 10 m/s²

Work done by the force :

  • Work done = Force x Displacement
  • Work done = mg x h
  • Work done = 30 N x 10 m
  • Work done = <u>300 J</u>

<u></u>

<u><em>Note</em></u> :

  • What you have calculated is the work done by gravitational force on the object (that too, incorrectly)
  • But in the end, it asks for work done by the force of 30N
  • Hence, the given answer ~
3 0
2 years ago
How does a heat pump resemble a refrigeration system?
REY [17]
A heat pump is a device that is capable of transferring heat energy from a source of heat to what is known as the heat sink. It also moves thermal energy in the opposite direction of a spontaneous heat transfer through heat absorption from a cold space and releasing it to a warmer space.

When a heat pump is being utilized for heating, it employs the same principle with that of the refrigeration cycle used by an air conditioner or a refrigerator, but in the opposite direction since it releases heat into a conditioned space rather than the surrounding environment. Moreover, heat pump resembles much as refrigeration since it has the same components with the latter except for the presence of a reverse valve.
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3 years ago
According to Huygens's principle, what is the explanation for boundary behaviors?
max2010maxim [7]
A.) Each point on a wave front acts as a source of secondary waves.
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3 years ago
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