C. A little backward, 100 or 110 degrees
Momentum of the object can be calculated by multiplying the mass of the object and the velocity of the moving object. In this case, the starting situation should be the object should be moving, else there is no velocity and thus momentum is equal to zero .Answer is C
A scientist would use a unit of length appropriate for the magnitude of what he or she is measuring. In this case, since rock is built up very slowly, they would probably use millimetres or centimetres. In some cases they may use meters.
The net force will be zero. Since the forces are in opposite direction and equal amount, they will cancel out.
Answer:
Love yourself, that's what you need to do. In order to be content, let yourself! Treat you right.
