A car collides with a stationary car of the same mass and they stick together. Describe the motion of the wreckage immediately after the collision. A:
The wreck will move with the same velocity as the initial car.
B:
The wreckage will be stationary.
C:
The wrechage will move with half the velocity of the inital car.
D:
The wreckage will move with twice the velocity of the initial car.

What do elements in a family tend to share. a.) similar periods b.) similar groups c.) similar atomic symbols d.) similar chemical properties and characteristics

Complete the statement about memory improvement. ( )involves organizing and breaking down information into easier groups to expand capacity. rehearsal is the verbal repetition of information. these techniques are especially important for the improvement of ( ) memory.

22. the top of a cliff is located a distance h above the ground. at a distance h/2 there is a branch that juts out from the side of the cliff, and on this branch a bird's nest is located. two children throw stones at the nest with the same initial speed, one stone straight downward from the top of the cliff and the other stone straight upward from the ground. in the absence of air resistance, which stone hits the nest in the least amount of time?