Speed
What is the standard unit of distance in science?
metre
What is the standard unit of time in science
second
What is the standard unit of speed in science
m/s
A car travels at 50 km/h. What does 50 km/h mean?
It travels a distance of 50 km every hour
A bus travels at 120 km in a time of 40 s. Find the average speed
Speed=Distance/Time
Speed=120/40
Speed=3m/s