What is the difference in the meaning between the lengths of lines in a phylogram and ultrametric tree?

1 answer:

7 0

A phylogram is a phylogenetic tree where edge lengths signify time or genetic distance while an ultrametric tree or “chronogram” is a phylogenetic tree where edge lengths represent time. Also in an ultrametric tree, all tips of the tree are equidistant from the root of the tree. While a phylogram has dissimilar branch lengths which quantitatively signify the opposing degrees of change between the root and each terminal node.

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a 5.0 kg tool box is raised from the ground by a rope. if the upward acceleration of the bucket is 2.5 m/s^2 , find the force ex

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Answer:

62 N

Explanation:

Sum of the forces on the toolbox:

∑F = ma

T − mg = ma

T = mg + ma

T = m (g + a)

T = (5.0 kg) (9.8 m/s² + 2.5 m/s²)

T = 61.5 N

Rounded to two significant figures, the force exerted by the rope is 62 N.

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Answer:

Explanation:

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One consequence of Newton's third law of motion is that all actions have equal and opposite reactions. (C)

In fact, that's pretty much what the law itself says in so many words.

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Answer:

Yes

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The wavelength of a wave is obtained by taking the ratio of wave speed and frequency.

The wavelength of the heated wave is 9.8 m. Hence, option (b) is correct.

What is frequency of a wave?

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