help, 10th grade physics?

Homework..



The author posted a question in Homework

help, 10th grade physics? and got a better answer

Response from Антон Владимирович[+++++]

Response from 0[+]
A-80m B160m C20m I'm a 9th grader this is iz

 

To answer the question:

Name*

E-mail:*

Reply text:*
Verification code (enter 22):*