A car starts from rest and accelerate at a constant rate. After the car has gone 50m it has a speed of 21 m/s. What is the acceleration of the car?

asked Oct 22, 2017 190k views

5 votes

7.6k points

Please log in or register to add a comment.

4 votes

u=0,s=50m, v=21m/s, a=? v^2=0+2*a*50 21^2/100=a

8.4k points

1 vote

Answer:

4.4 m/s2

Step-by-step explanation:

Mafis answered Oct 28, 2017

by Mafis

7.8k points

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

9.4m questions

12.2m answers