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frez [133]
3 years ago
9

What are the two measurements necessary for calculating average speed?

Physics
2 answers:
makkiz [27]3 years ago
8 0
To calculate speed you need to know the distance traveled and the total time
IgorC [24]3 years ago
7 0
Because the average of one measurement would yield to itself, which provides nothing new to us. We need at least two for average to be purposeful.
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An oil slick on water is 120 nm thick and illuminated by white light incident perpendicular to its surface. What color does the
gregori [183]

Answer:

\lambda = 672 nm

so this is nearly red colour light

Explanation:

As we know that the interference of light from reflected light then the path difference is given as

\Delta x = 2\mu t + \frac{\lambda}{2}

now we know that for constructive interference of light the path difference is given as

\Delta x = n\lambda

so we will have

2\mu t + \frac{\lambda}{2} = N\lambda

so we will have

4\mu t = \lambda

\lambda = 2(1.40)(120nm)

\lambda = 672 nm

so this is nearly red colour light

8 0
3 years ago
Two hikers are 15 miles apart and walking toward each other. They meet in 2 hours. Find the rate of each hiker if one hiker walk
Marat540 [252]

Answer:

1- 2.6 mph

2- 4.9 mph

Explanation:

See attachment

4 0
3 years ago
A duck flies 60 m in 6 seconds what is the ducks speed? Show your work plz
Lana71 [14]

Answer:

Wouldn’t his or hers speed be 10m?

Explanation:

because 60 divided by 6 = 10

so 10m per second?

7 0
2 years ago
The following symbols show the wind speed and direction for West Palm Beach, FL, from 8:00 a.m. to 12:00 p.m. Which choice corre
Vanyuwa [196]
The wind speed increased but in the same direction.
It is A/1 because the wind speed did increase and it is still going the same way clockwise because it also did not move that much.
3 0
2 years ago
Read 2 more answers
What is the definition of Cubit
Bad White [126]

Answer:

So its this ancient unit of measurement that not all that reliable since it was rod and often had different sizes.

Explanation:

Ranged between 444 and 529.2 mm

4 0
3 years ago
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