Leroy, who has a mass of 120 kg , is skateboarding at 8.8 m/s when he smacks into a brick wall and comes to a dead stop in 0.2 s.

Question

unofficialllyy · Answer

a.) Find the magnitude of his acceleration during impact.
b.) find the force of impact

unofficialllyy · Answer

There's never anyone in the science section, and it has math in it lol.

yanasidlinskiy · Answer

This is physics.. Don't think it's a math question..
A.)  Deceleration = inital speed - final speed / total time taken 
B.) B) Force= (mass)(velocity) / (time) 
I agree. I know @agent0smith is such a pro. Trust me. I give you all the permission to tag him in all sections cuz he's someone you might never know. But let me know what you get..

unofficialllyy · Answer

A) 44 m/s^2
B)  5,280 N

agent0smith · Answer

Do you still need help?

agent0smith · Answer

Good job @YanaSidlinskiy