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svetlana [45]
3 years ago
11

Why does a curve on a distance-time graph indicate acceleration?

Biology
1 answer:
fgiga [73]3 years ago
4 0

A curve on a distance-time graph indicates distance with respect to time.

For someone good in interpreting curves, the slope of distance/time at each point on the curve represents the velocity.

For someone still better in reading curves, the second derivative of the curve at any point indicates acceleration. Second derivative means the rate of variation of velocity with respect to time.

So the quick answer is a curve on a distance time graph does NOT directly indicate acceleration. See example in attached diagram. If you can "see" the constant acceleration indicated in the bottom (distance-time) graph, then yes, you can find acceleration from a distance-time graph. Otherwise, the answer is still no.

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Complete question:

Huntington's disease is a dominant disease caused by the expansion of the trinucleotide repeat region of the Htt gene that results in the production of a Huntingtin protein with an expanded number of glutamines. An animal model with most features of this syndrome could be created by

A - knocking in a wild-type copy of the Htt gene to a mouse or primate genome.

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C - randomly inserting a transgene containing a disease-causing mutant allele of the Htt gene into a mouse or primate genome

D - knocking out one copy of the wild-type Htt gene from a mouse or primate genome.

E - knocking out both copies of the wild-type Htt gene from a mouse or primate genome.

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