Register
a car moving at 25 m/s speeds up to 47m/s. it takes 9 seconds to do this.what is the acceleration of the car?
190k views
2 votes
a car moving at 25 m/s speeds up to 47m/s. it takes 9 seconds to do this.what is the acceleration of the car?

User Aykut Kllic
by
7.6k points

1 Answer

6 votes
Acceleration = (change in speed) / (time for the change)

Change in speed = (47 - 25) = 22 m/s

Acceleration = 22 / 9 = 2 and 4/9 m/s²

(Roughly 1/4 of a 'G '.)
User Joseangelmt
by
9.1k points
← Prev Question Next Question →

Related questions

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

At sea level, water boils at 100 degrees celcius and methane  boiled at -161 degrees celcius. Which of these substances has a stronger force of attraction between its particles? Explain your answer
Physical properties of minerals graphic organizer
A snowball is launched horizontally from the top of a building at v = 16.9 m/s. If it lands d = 44 meters from the bottom, how high (in m) was the building?
What type of rock is the Haystack rock (igneous, Metamorphic, or Sedimentary)
what is a device that transforms thermal energy to mechanical energy
Link Copied!