Question

An Olympic swimmer can swim a distance of 360m in 8.5 minutes. What is her speed?

Answer 1

speed= distance / time
s= 360m / 510 s
s= 0,7 m/s

Answer 2

42.3529412 m/min or 0.705882353 m/s

Step-by-step explanation:

We can calculate speed using the following formula.

`s=(d)/(t)`

where
`d` is distance and
`t` is time.

The Olympic swimmer can swim 360 meters in 8.5 minutes. Therefore,

`d= 360 \ m \\t= 8.5 \ min`

Substitute the values into the formula.

`s=(360 \ m)/( 8.5 \ min)`

Divide.

`s= 42.3529412 \ m / min`

Her speed is 42.3529412 meters per minute.

If we want to find her speed in meters per second, convert the minutes to second.

1 minute is equal to 60 seconds, so we can multiply 8.5 by 60.

`8.5 *60=510`

The swimmer can swim 360 meters in 510 seconds.

`s=(d)/(t)`

`d= 360 \ m \\t= 510 \ s`

`s=(360 \ m)/(510 \ s)`

`s=0.705882353 \ m/s`

Her speed is also 0.705882353 meters per second.