(A) 20 m/sec
(B) 30 m/sec
(C) 40 m/sec
(D) 50 m/sec
(A) 20 m/sec
(B) 30 m/sec
(C) 40 m/sec
(D) 50 m/sec
| Share this... |
Facebook
|
Twitter
|
Linkedin
|
Whatsapp
|
Your email address will not be published. Required fields are marked *