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Misha Larkins [42]
3 years ago
10

A bus travels 20km in 30minutes what is the average speed of the bus?

Chemistry
1 answer:
Vera_Pavlovna [14]3 years ago
7 0

Answer:

40km/hr

Explanation:

Speed = Distance ÷ Time and since they both have different units we have to change one of them. Therefore if we change 30 minutes to half an hour we say 20km ÷ ¹/2

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The final temperature and pressure in a container is 234K at 210 kPa.
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Answer:

Initial pressure = 157 kpa (Approx)

Explanation:

Given:

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Initial pressure / Initial temperature = final pressure / final temperature

Initial pressure / 175 = 210 / 234

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