A runner covers the last straight stretch of a race in 5 s. During that time, he speeds up from 5 m/s to 10 m/s. What is the runner's acceleration in this part of the race?

The population of bacteria in a petri dish doubles every 40 seconds. the population of the bacteria is initially 400 organisms. what unit is most appropriate for the time at which the number of bacteria is 300? hour bacteria per hour second bacteria per second

Which beat describes the brain stem

Number and variety of living organisms includes genetic, species, and ecological types