A car is traveling at a rate of 81 kilometers per hour. What is the car's rate in meters per second? How many meters will the car travel in 15 seconds? Do not round your answers.

Question

lgbasallote · Answer

81 km
-----
1 hr

1km -> 1000 meters
81 km -> ? meters

1 hr -> 3600 seconds

campbell_st · Answer

this is 81000 m/hr    1km = 1000 m

divide by 60 to get metres per minute

then 81000/60 m/min

divide by 60 again to get metres per second