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Andru [333]
2 years ago
14

How many million kilometers is one astronomical unit.

Physics
1 answer:
Andrews [41]2 years ago
6 0

Answer:

150 million kilometres

Explanation:

The astronomical unit (symbol: au, or AU or AU) is a unit of length, roughly the distance from Earth to the Sun and equal to 150 million kilometres (93 million miles) or 8.3 light minutes.

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A truck has a mass of 2,000 kg. The driving force created by the engine is 3,000 Newtons. Calculate the acceleration caused by t
Brrunno [24]

Answer:

1.5 m/s^2

Explanation:

Force = 3000 Newtons

Mass = 2000 kilograms

Force = Mass x Acceleration

This rearranged to:

Acceleration = Force / Mass

Acceleration = 3000 / 2000 = 1.5 m/s^2

8 0
3 years ago
A projectile is launched at an angle of 29 degrees above the horizontal with an initial velocity of 36.6 at an unknown height.
fgiga [73]

The vertical velocity of the projectile upon returning to its original is 17. 74 m/s

<h3>How to determine the vertical velocity</h3>

Using the formula:

Vertical velocity component , Vy = V * sin(α)

Where

V = initial velocity = 36. 6 m/s

α = angle of projectile = 29°

Substitute into the formula

Vy = 36. 6 * sin ( 29°)

Vy = 36. 6 * 0. 4848

Vy = 17. 74 m/s

Thus, the vertical velocity of the projectile upon returning to its original is 17. 74 m/s

Learn more about vertical velocity here:

brainly.com/question/24949996

#SPJ1

8 0
2 years ago
Which sentence features a shift in tense?
Ganezh [65]


The answer is c. It starts in the past by saying he "bought" then shifts to present by saying "goes" and "buys" but then shifts back to past by saying "last week"

hope this helps

4 0
4 years ago
Read 2 more answers
A disk of a radius 50 cm rotates at a constant rate of 100 rpm. What distance in meters will a point on the outside rim travel d
Iteru [2.4K]

Answer:

A point on the outside rim will travel 157.2 meters during 30 seconds of rotation.

                         

Explanation:

We can find the distance with the following equation since the acceleration is cero (the disk rotates at a constant rate):

d = v*t

Where:

v: is the tangential speed of the disk

t: is the time = 30 s  

The tangential speed can be found as follows:

v = \omega*r

Where:

ω: is the angular speed = 100 rpm

r: is the radius = 50 cm = 0.50 m

v = \omega*r = 100 \frac{rev}{min}*\frac{2\pi rad}{1 rev}*\frac{1 min}{60 s}*0.50 m = 5.24 m/s    

Now, the distance traveled by the disk is:

d = v*t = 5.24 m/s*30 s = 157.2 m

Therefore, a point on the outside rim will travel 157.2 meters during 30 seconds of rotation.

I hope it helps you!

3 0
3 years ago
A car travels 15 miles in 30 minutes . calculate the average speed
Greeley [361]

Answer:

15/30 = .5 miles/m

Explanation:

v = d/t

velocity = 15 / 30

5 0
3 years ago
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