I am running at a velocity of 12.5 meters per second, and it takes me 17.23 seconds to increase my velocity to 36 m/s. What is my acceleration?
1.36 m/s/s
2.81 m/s/s
4.44 m/s/s
21.4 m/s/s

Ineed the answers for these promblems i have

What is the magnitude of the acceleration vector which causes a particle to move from velocity −5i−2j m/s to −6i+ 7j m/s in 8 seconds. answer in m/s.

1. how to locate the image in converging(concave) mirror and diverging (convex) mirror with salt. 2. how to locate the image in a converging (convex) lens and diverging (concave) lens with salt.