You kick a ball with a speed of 18 m/s at an angle of 32°. How far away does the ball land? A. 11.9m

B. 15.3m

C. 29.7m correct answer

D. 22.9m

By what primary heat transfer mechanism does the sun warm the earth?

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.

Aperson touches a large chunk of ice with their hand and remarks, “this is making me cold.” explain what this person is feeling. is the ice transferring “cold” to the person? is there a heat transfer occurring? explain.