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Nata [24]
3 years ago
13

What is earth's average distance from the sun called?

Physics
2 answers:
olchik [2.2K]3 years ago
7 0
<span>d. an astronomical unit</span>
REY [17]3 years ago
5 0
D.) It's called an Astronomical Unit (AU), where 1AU = 149.5 million kms.
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If the amplitude of a sound wave is made 3.0 times greater, by what factor will the intensity increase? Express your answer usin
vesna_86 [32]

Answer:

Calculating Sound Intensity Levels: Sound Waves

Calculate the sound intensity level in decibels for a sound wave traveling in air at 0ºC

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Explanation:

4 0
3 years ago
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Vikki [24]

Answer:

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5 0
3 years ago
The driver of a car travels at 90 km / h, observes some children playing on the road 50 m away, and applies the brakes, managing
Orlov [11]

Answer:

13,750 N

Yes

Explanation:

Given:

v₀ = 90 km/h = 25 m/s

v = 0 m/s

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a = Δv / Δt

a = (0 m/s − 25 m/s) / (4 s)

a = -6.25 m/s²

F = ma

F = (2200 kg) (-6.25 m/s²)

F = -13,750 N

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Δx = 50 m

6 0
3 years ago
On a cross-country trip, a couple drives 500 mi in 10 h on the first day, 380 mi in 8.0 h on the second day, and 600 mi in 15 h
Zepler [3.9K]

We know that the average speed is simply the ratio of the total distance travelled over the total duration of the trip.

total distance = 500 mi + 380 mi + 600 mi

total distance = 1,480 mi

 

total time = 10 h + 8 h + 15 h

total time = 33 h

 

So the average speed is therefore:

average speed = 1,480 mi / 33 h

<span>average speed = 44.85 mi / h</span>

8 0
3 years ago
Volcanoes that have fast flowing liquid lava will be narrow like a river
vodomira [7]

Answer:

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Explanation:

8 0
2 years ago
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