Question

You biked to the store in 10 minutes. The store was 3 km away. What was your average speed?

Answer 1

speed in km/min:

0.3km/min

speed in km/h:

18km/h

speed in m/s:

5m/s

Step-by-step explanation:

the average speed is defined as:

`s=(d)/(t)`

where
`s` is the speed,
`d` is the distance traveled, and
`t` is the time

according to the statement:

`d=3km = 3,000m`

and

`t=10min=(1)/(6)h=600s` (10 minutes are equal to a sixth of an hour which is 600 seconds)

Because the units in which the speed is required are not indicated, here are some options for the answer:

Depending on the units in which you need the speed, are the quantities you should use.

Speed in km / h (kilometers per hour):

`s=(3km)/((1)/(6)h )\\ \\s=18km/h`

speed in m / s (meters per second):

`s=(3,000m)/(600s)\\ s=5m/s`

or the speed in km/min (kilometers per minute)

`s=(3km)/(10min)\\ s=0.3km/min`