3 years ago

One of the major differences between our common Physics models of energy change and realistic models of them is:

Physics

2 answers:

Vitek1552 [10]3 years ago

6 0

Answer:

In the Physics models, we do not take into account the energy change by the friction of moving components

Oksana_A [137]3 years ago

5 0

Answer:

In the Physics models, we do not take into account the energy change by the friction of moving components

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Which factor listed below most likely results in the loss of genetic variation from small populations?

Snezhnost [94]

The correct choice is genetic drift.

genetic drift is known as the variation in alleles number within a population and it mainly happens in small population where chances of losing an alleles are larger. it is common effect observed when significant number in a population die or when there is significant reduction in birth. hence genetic drift results in loss of genetic variation

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3 years ago

4. A steel cable spanning a river is 220.000 m long when the temperature is 30.°C.

romanna [79]

Answer:

219.9208 m

Explanation:

The new length is given by

New length= Original length *(1-Temperature change*coefficient of

thermal expansion of steel)

Here, the change in temperature is $30^{\circ}-0^{\circ}= 30^{\circ}$

New length= $220.000(1-30*12x10^{-6}=219.9208m$

Therefore, the new length will be 219.9208 m

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3 years ago

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MAVERICK [17]

10 would be the answer for number 3

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3 years ago

sergeinik [125]

Distance between the centers of the two objects are the second object

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2 years ago

Remaining Time: 1 hour, 49 minutes, 34 seconds.

ohaa [14]

Explanation:

i think C . it is twice the size of the object

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3 years ago