4 years ago

When unbalanced force acts on a resting object the object what

1 answer:

5 0

B. accelerates in the direction of the force. this is because the force is now unbalanced, causing the object to move in that direction. it's like pushing a pen off the table. you applied force in that direction and since the pen doesn't have enough inertia to withstand your unbalanced force, it rolls off the table.

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lisabon 2012 [21]

Answer:

B. False

Explanation:

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4 years ago

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kolezko [41]

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3 years ago

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ohaa [14]

Answer:

The COP of the system is = 4.6

Explanation:

Given data

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Lower pressure = 0.12 M pa

Now we have to find out high & ow temperatures at these pressure limits.

Higher temperature corresponding to pressure 1.8 M pa

$T_{H} = 62.9$ °c = 335.9 K

Lower temperature corresponding to pressure 0.2 M pa

$T_{L} = - 10.1$ °c = 262.9 K

COP of the system is given by

$COP = \frac{T_{L} }{T_{H} -T_{L} }$

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COP = 4.6

Therefore the COP of the system is = 4.6

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3 years ago

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Alex73 [517]

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4 years ago

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