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To convert meters per minute to kilometers per hour, which of the conversion factors would be used? Select all that apply.

To convert meters per minute to kilometers per hour, which of the conversion factors-example-1
To convert meters per minute to kilometers per hour, which of the conversion factors-example-1
To convert meters per minute to kilometers per hour, which of the conversion factors-example-2
To convert meters per minute to kilometers per hour, which of the conversion factors-example-3
To convert meters per minute to kilometers per hour, which of the conversion factors-example-4
To convert meters per minute to kilometers per hour, which of the conversion factors-example-5
User Suzanne
by
7.9k points

2 Answers

4 votes

Answer:

1000 m over 1 km and 60 min over 1 hour

Explanation:

User Agus Mathew
by
7.7k points
7 votes

Answer:

A, E

Explanation:

To convert meters per minute to kilometers per hour, the necessary conversion factors are:

A. 1km/1000m - To convert meters to kilometers

E. 60min/1hr - To convert hours to minutes

So the correct options are A and D.

Why don't we need the conversion factor D (60sec/1min)?

We are given meters per minute (m/min) and want to convert to kilometers per hour (km/hr).

The steps are:

  • Meters to kilometers:
  • m/min * 1km/1000m
  • This cancels out the meters
  • Minutes to hours:
  • (m/min * 1km/1000m) * 60min/1hr
  • The minutes cancel out directly here without needing to convert to seconds

--> Meters cancel out directly with the m to km conversion

Minutes then cancel out directly when converting to hours, without an intermediate step of converting minutes to seconds

Sorry for the mishap!

User Erik Lieben
by
7.9k points

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