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My name is Ann [436]
3 years ago
15

Explain using the factor label method unit of conversion discussed in the video how you would convert 1,500,000 meters into mega

meters. You should explain this using a few sentences
Physics
1 answer:
Setler [38]3 years ago
7 0

Answer:

1,500,000 m = 1.5 Mm

Explanation:

To convert 1,500,000 meters into megameters, we must know the conversion from meters to megameters.

1 m = 10⁻⁶ Mm

For 1,500,000 m,

1,500,000 m = 1,500,000 × 10⁻⁶ Mm

= 1.5 Mm

So, there are 1.5 megameters in 1,500,000 m.

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The radius of the aorta is about 1 cm and the blood flowing through it has a speed of about 30 cm/s. Calculate the average speed
puteri [66]

Answer:

The average speed of the blood in the capillaries is 0.047 cm/s.

Explanation:

Given;

radius of the aorta, r₁ = 1 cm

speed of blood, v₁ = 30 cm/s

Area of the aorta, A₁ = πr₁² = π(1)² = 3.142 cm²

Area of the capillaries, A₂ = 2000 cm²

let the average speed of the blood in the capillaries = v₂

Apply continuity equation to determine the average speed of the blood in the capillaries.

A₁v₁ = A₂v₂

v₂ = (A₁v₁) / (A₂)

v₂ = (3.142 x 30) / (2000)

v₂ = 0.047 cm/s

Therefore, the average speed of the blood in the capillaries is 0.047 cm/s.

4 0
3 years ago
Which of the following are scalar quantities?
kirill [66]

Speed, being a scalar quantity, is the rate at which an object covers distance. The average speed is the distance (a scalar quantity) per time ratio. ... Velocity is the rate at which the position changes. The average velocity is the displacement or position change (a vector quantity) per time ratio.

3 0
3 years ago
11. A plow pushes 100 kg of snow with 300 N of force. How much is the pile of snow<br> accelerated?
Fed [463]

Answer:

Explanation:

This is an application of Newton's second Law.

Formula

F = m * a

F = 300 N

m = 100 kg

a = ?

F = m * a

300N = 100 kg * a            Divide by 100

300N/100kg = a

a = 3 m/sec^2

3 0
3 years ago
What type of configuration is used in the HEVs available in the US today?
Citrus2011 [14]

Answer:

Currently in the united states using parallel system

Explanation:

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6 0
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Air in the atmosphere is heated by the ground this warm air then rises and cooler air falls this is an example of what type of p
Alona [7]
The answer for both is ‘B’
8 0
3 years ago
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