A 3520 kg truck moving north at 16.0 m/s makes an INELASTIC collision with an 1480 kg car moving 21.0 m/s east. What is the magnitude of their (joint) velocity after the collision?

What does si stand for, when referring to a system of measurement

Which of the following is another term for a planned economy

1. explain how you calculate the net force in any direction on the box. 2. suppose an upward force of 15n is added to the box. what will be the net vertical force on the box? 3. what force could be applied to the box to make the net force in the horizontal direction zero? explain. 4. suppose a force of 25n to the right is added to the box. what will be the net force to the right?