Study the free body diagram above. Which scenario below can best be described with this free body diagram? A. a cup is at rest o
n a table. B. a car coasts down a hill. C. a child drops a penny from the top of a building. Neglect air resistance. D. a bartender slides a glass of beer to a patron at the end of a bar. Neglect air resistance.
1 answer:
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Answers:
1) flow of traffic =
2) average speed =
3)density of traffic =
Explanation:
1) to find flow of traffic
we use the relation
where q is the traffic flow and h is average time headway.
insert the value
2) to find average traffic speed
use the relation
where u is average speed S is average spacing and h average time
so inserting the values
3) density of traffic
where K is density of traffic q is flow of traffic and u is average speed
inserting values from above solved parts