Answered

Get personalized answers to your unique questions on IDNLearn.com. Ask anything and receive thorough, reliable answers from our community of experienced professionals.

5. A car stops in 20 m. If it has an acceleration of-6m/s?,
how fast was it going before you started slowing down?

Sagot :

VirαtKσhliidn

Answer:

15.49 m/s

Explanation:

We know that the stopping distance is ,

=> s = u²/2(-a)

So that ,

=> 20m = u² / 2* 6m/s²

=> u² = 240m²/s²

=> u = √240 m²/s²

=> u = 15.49 m/s

**Edits are welcomed**

Thank you for using this platform to share and learn. Keep asking and answering. We appreciate every contribution you make. Find the answers you need at IDNLearn.com. Thanks for stopping by, and come back soon for more valuable insights.