roseiy
roseiy roseiy
  • 04-04-2017
  • Physics
contestada

A marathon runner starts her race at 7 miles an hour. by the end of the race, 5 hours later, her speed is 5.5 miles an hour. what is her acceleration

Respuesta :

johnsont
johnsont johnsont
  • 04-04-2017
5.5-7=-1.5 time interval would be 5 hrs.
you then take the -1.5 ÷ 5hrs = -.3
Answer Link

Otras preguntas

explain in steps how to graph this linear inequality 2x+3y > -2
Liz wants to drink 1.5 litres of water each day. She buys the water in packs of 6 bottles. Each bottle contains 0.5 litres of water. How many packs of water do
Your friend is asked to differentiate between evaporation and boiling.what questions could you ask to make him to know the difference between evaporation and bo
What's the other term for: lacking respect; scornful
What's the other term for: lacking respect; scornful
name a metal that doesn't conduct electricity
How would you call in other words to scold or punish severely
What's the word for to talk on and on pointlessly, without clear direction
What's the other term for: explosive or changing very quickly
a subway train starts from rest at a station and accelerates uniformly at 1.8m/s^2 for 15 sec. then it runs at a constant speed for the next 35 sec. before dece