An object may have:
a. | varying speed without having a varying velocity. |
b. | varying velocity without having varying speed. |
c. | non-zero acceleration without having a varying velocity. |
d. | non-zero acceleration without having varying speed. |
Choose the correct option:
1. | (a) and (b) |
2. | (b) and (c) |
3. | (c) and (d) |
4. | (b) and (d) |