In a streamlined flow,
(a) | the speed of a particle always remains the same. |
(b) | the velocity of a particle always remains the same. |
(c) | the kinetic energies of all the particles arriving at a given point are the same. |
(d) | the momenta of all the particles arriving at a given point are the same. |
Choose the correct option from the given ones:
1. | (a) and (b) only |
2. | (b) and (c) only |
3. | (c) and (d) only |
4. | All of these |