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Question 12
Bryan wants to convert a speed of 85 kilometers per hour into the equivalent speed in meters per second Which expression shows the correct conversion?
А
85 km
hr
Х
1 km
1000 m
Х
3600 sec
1 hr
B
85 km
X Х
1 hr
3600 sec
hr
1000 m
1 km
1000 m
1 km
С
85 km
X Х
Х
3600 sec
1 hr
hr
85
km
X Х
1 km
1000 m
1 hr
3600 sec
2021
Illuminate Education, Inc.

Question 12 Bryan Wants To Convert A Speed Of 85 Kilometers Per Hour Into The Equivalent Speed In Meters Per Second Which Expression Shows The Correct Conversio class=

Sagot :

Nishalb589idn

Step-by-step explanation:

the answer is of no (D) .because it has the correct form

The conversion of 85 kilometer/hour to meter per second will be 85 × 1000/3600 meter/second so option (B) will be correct.

What is unit conversion?

To convert any unit into another called unit conversion.

In order to convert unit we need to care about their dimensions thier dimension should not be change.

For example conversion of kilometer to meter is to multiply by 1000 but meter and kilometere both unit is for distance only.

Another example could be kilo gram to gram.

Given,

85 kilometer /hour

Now,

Since 1 kilometer = 1000 meter

And

1 hour = 60 minutes

Since 1 minute = 60 seconds

So,

60 minutes = 60 × 60 seconds

1 hour = 3600 seconds.

Now,

⇒ 85 kilometer /hour

⇒ (85 × 1 kilometer )/(1 hour)

Since,

1 kilometer = 1000 meter

1 hour = 3600 seconds

So,

(85 × 1 kilometer )/(1 hour) = (85 × 1000 meter )/(3600 second)

Hence, The conversion of 85 kilometers/hour to meters per second will be 85 × 1000/3600 meters/second.

To learn more about unit conversion,

https://brainly.com/question/11543684

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