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Vanyuwa [196]
3 years ago
13

A train leaves the station heading west on the tracks. It takes the train 8 seconds to reach 80 miles per hour. It completes the

entire 160 mile trip in two hours. Calculate the train's average speed and velocity over the two hour trip. Show your work. Identify if Each of the measurements are a scalar or vector quantity.
Advanced Placement (AP)
1 answer:
RSB [31]3 years ago
5 0
If it takes 8 seconds to get to 80 mph the average speed is 80 mph i have yet to figure out velocity though. 
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The correct answer is extrinsic motivation.

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Answer:

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Explanation:

PLEASSS MARK ME AS BRAINLIEST ANSWER

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Participants in the Iditarod must go 77 km, west from Rainy Pass to Rohn and then go 121 km, northwest from Rohn to Nikolai. Wha
iren2701 [21]

Answer:

8.6 km/hr

Explanation:

It looks like there's a lot of extra information here. If the question only asks about the trip from Rohn to Nikolai, then the only information that matters is that the distance between the two is 121 km & that Seavey did it in 14 hours. Don't let the extra numbers throw you off.

As for the math behind this - km/hr is a math equation in and of itself. Any ratio like that is a simple division problem. Just plug your numbers (121 km / 14 hr) into the formula (km / hr) to get your answer!

EDIT: for future questions where they don't label it as clearly... velocity = the distance divided by the time.

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