Question 1 (2 points) You check the weather and find that the winds are coming from the west at 15 miles per hour. This information describes the wind's (2 points
O
a
acceleration
direction
Oь
speed
Oc
Od
velocity

Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.