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aev [14]
3 years ago
14

Which of the following words BEST describes scientists’ current knowledge about the universe?

Physics
1 answer:
Vilka [71]3 years ago
4 0

Answer:

your answer is changing

Explanation:

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What kind of fluctuations in weather patterns do you expect to see in your area? Will the fluctuations or changes vary by month,
balandron [24]
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6 0
3 years ago
You normally drive a 12-h trip at an average speed of 100 km/h . Today you are in a hurry. During the first two-thirds of the di
kherson [118]

Answer:

78 km/h

Explanation:

If I normally drive a 12 hour trip at an average speed of 100 km/h, my destination has a total distance of:

  • 100 km/h · 12 h = 1,200 km

Today, I drive the first 2/3 of the distance at 116 km/h. Let's first calculate what 2/3 of the normal distance is.

  • 1,200 * 2/3 = 800 km

I've driven 800 km already. I need to drive 400 km more to reach my final destination. I need to figure out my average speed during this last 1/3 of the distance.

To do this, I first need to calculate how much time I spent driving 116 km/h for the past 800 km.

  • 116 km/1 h = 800 km/? h
  • 800 = 116 · ?
  • ? = 800/116
  • ? = 6.89655172

I spent 6.89655172 hours driving during the first 2/3 of the distance.

Now, I need to subtract this value from 12 hours to find the remaining time I have left.

  • 12 h - 6.89655172 h = 5.10344828 h  

Using this remaining time and my remaining distance, I can calculate my average speed.

  • ? km/1 hr = 400 km/5.10344828 h
  • 5.10344828 · ? = 400
  • ? = 400/5.10344828
  • ? = 78.3783783148  

My average speed during the last third of the distance is around 78 km/h.

8 0
2 years ago
Can someone please help meee!!
Paraphin [41]

The answer is 9800 J/S

5 0
3 years ago
Which kind of mechanical wave needs a source of energy to produce it?
Over [174]
I think the answer would be T<span>ransverse, Longitudinal, & Surface waves.

</span>
6 0
3 years ago
Read 2 more answers
⃗ has the magnitude 15 cm and it makes and angle 40° with positive X axis. Calculate the X and Y component of ⃗.
topjm [15]

The X component of the vector is 11.5 while the Y component is 9.6.

<h3>What are the components of a vector?</h3>

We know that a vector must posses both magnitude and direction. Now the vector could be resolved into the vertical and the horizontal components of the mixture.

In resolving this vector;

X component = 15 cm cos 40 degrees = 11.5

Y component =  15 cm sin 40 degrees = 9.6

Thus the X component of the vector is 11.5 while the Y component is 9.6.

Learn more about vectors:brainly.com/question/13322477

#SPJ1

3 0
2 years ago
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