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vova2212 [387]
3 years ago
8

Describe using examples how objects can be at rest and in motion simultaneously

Physics
1 answer:
elena-14-01-66 [18.8K]3 years ago
5 0
An object can be at rest and still be in motion because the earth is always in motion.

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A refrigerator is used to remove 84 kj/min of heat from a tank. If the electric power consumed by the refrigerator is 1. 2 kw, w
zvonat [6]

Answer:

84 kj/min = 1.4 kj/sec

Power Out / Power In = Heat Out / Heat In - Coefficient of Performance

1.4 kj/sec / 1.2 kj/sec = 1.17 = COP

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True or False
Allisa [31]
False?


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what would happen when an inflated balloon is place in an ice bath and the atmosphere pressure has not changed?
ruslelena [56]

The inflated balloon shrinks when it is placed in an ice bath with no change in atmospheric pressure.  

<u>Explanation:</u>

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7 0
3 years ago
A prodect is defined as
Keith_Richards [23]
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An object is released from rest high above the surface of the earth. When it has fallen halfway to the surface, its kinetic ener
aksik [14]

Answer:

There will be an increase in the kinetic energy

Explanation:

A falling object converts the gravitational potential energy to the kinetic energy. The potential energy is then converted to kinetic energy followed by the conversation:

E_{p} = E_{k}

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This potential energy is then converted to kinetic energy. Halfway, the kinetic energy is equal to KE1.

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