2Momentum Impulse CollisionsHard1 mark
An object moves in a straight line.
The energy in the kinetic store of the moving object is 90 J.
The momentum of the object is 60 kg m / s.
Which quantities are vector quantities and what is the mass of the object?
| vector quantities | mass / kg | |
|---|---|---|
| A | energy and mass | 20 |
| B | energy and mass | 30 |
| C | momentum | 20 |
| D | momentum | 30 |