|
Tripplingthe speed of a motor car multiplies the distance needed for stopping it by |
|||
|
(a) |
3 |
(b) |
6 |
|
(c) |
9 |
(d) |
12 |
|
Tripplingthe speed of a motor car multiplies the distance needed for stopping it by |
|||
|
(a) |
3 |
(b) |
6 |
|
(c) |
9 |
(d) |
12 |