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RSB [31]
3 years ago
12

A roller coaster track is 3,000 meters long. It takes 100 seconds to travel once around the roller coaster. What is the average

speed of the roller coaster?
Mathematics
2 answers:
elixir [45]3 years ago
8 0

Answer: The average speed of the rollercoaster is 30 meters per second.

Step-by-step explanation:

Hi, since:

Speed rate = distance /time

To answer this question we simply have to divide the length (distance) of the rollercoaster (3,000 meters) by the time spent on traveling it (100 seconds)

Mathematically speaking;

3000 meters / 100 seconds = 30 meters per second

The average speed of the rollercoaster is 30 meters per second.

Alecsey [184]3 years ago
6 0

Answer:

<u>The average speed of the roller coaster is</u><u> 30 m/s.</u>

Step-by-step explanation:

The average speed of the roller coaster can be computed by the formula:

<u>Average Speed = Total distance traveled/Total time taken</u>

The roller coaster travels a distance of 3000 meters and takes a time of 100 seconds. So,

Average Speed = 3000 meters / 100 seconds

Average Speed = 30 meters/second

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The angle of elevation of the top of a tower from a point 42 metres away from it's base on level ground is 26 degrees. find the
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Answer:

20.485 Meters

Step-by-step explanation:

So first you wanna draw a diagram.  Start with the tower, then on the ground to the left (or right) draw a point.  The point will be labeled as 42 m away from the tower.  Now draw a line from that point to the top of the tower.  This makes your triangle, and that angle you just drew that touches the point is 26 degrees.

Now, since you have a right triangle you can use trig.  You know an angle and a side.  Specifically, relative to the 26 degree angle you know the adjacent angle and want the opposite, which is the tower.  So opposite and adjacent is tangent.  So you set up tan(26) = o/42 where o is the opposite side.  

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musickatia [10]

Answer:

10

Step-by-step explanation:

Very easy equation if you know how to do it. All you need to do is divide your total amount of something (in this case "150" as that's our amount of "money we're given") by whatever the price or amount is. (In this case 15. Each cartridge costs $15. I'm not amazing at explaining things like this.. Sorry about that. If you have any questions about this feel free to let me know!)

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Hope this helps and have a nice day!

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