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Papessa [141]
3 years ago
15

Using information about natural laws, explain why some car crashes produce minor injuries and others produce catastrophic injuri

es.
Physics
1 answer:
Nataly_w [17]3 years ago
5 0
Don't they have to pay insurance company if something happens to there car.
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A mass of 80 g of KNO3 is dissolved in 100 g of water at 50 ºC. The solution is heated to 70ºC. How many more grams of potassium
slava [35]
Hi um i think its At 30 ° C your welcome
7 0
3 years ago
(b) Figure 4 shows a car travelling on a motorway.
Alik [6]

Answer:

To calculate anything - speed, acceleration, all that - we need <em>data</em>. The more data we have, and the more accurate that data is, the more accurate our calculations will be. To collect that data, we need to <em>measure </em>it somehow. To measure anything, we need tools and a method. Speed is a measure of distance over time, so we'll need tools for measuring <em>time </em>and <em>distance</em>, and a method for measuring each.

Conveniently, the lamp posts in this problem are equally spaced, and we can treat that spacing as our measuring stick. To measure speed, we'll need to bring time in somehow too, and that's where the stopwatch comes in. A good method might go like this:

  1. Press start on the stopwatch right as you pass a lamp post
  2. Each time you pass another lamp post, press the lap button on the stopwatch
  3. Press stop after however many lamp posts you'd like, making sure to hit stop right as you pass the last lamp post
  4. Record your data
  5. Calculate the time intervals for passing each lamp post using the lap data
  6. Calculate the average of all those invervals and divide by 40 m - this will give you an approximate average speed

Of course, you'll never find an *exact* amount, but the more data points you have, the better your approximation will become.

5 0
3 years ago
The principle of alignment means that you use conventions of typography, layout, color, and other visual elements to make sure t
vitfil [10]

Answer: True

Explanation:

The principle of alignment means that conventions of typography such as; layout, color, and other visual elements should be used to make sure that readers easily access your most important content of a document. These cues call the attention of the readers to the most important sections of the document which you want them to really see.

7 0
3 years ago
What are the limitations of using solar panels?
Anit [1.1K]

Answer:

The amount of the sun energy that could be collected.

Explanation:

Some limitations are, the amount of the sun's energy that could be collected the radiation of sun is nearly fixed. The place where we can put the solar panels are also limited.

7 0
3 years ago
(please help ASAP!)
makkiz [27]

Answer:

It's C. Length

Explanation:

Just think of a ruler. Hope I helped! :)

8 0
3 years ago
Read 2 more answers
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