Why is it more comfortable to fall onto a big pillow than onto a wooden floor ?

a. the pillow transfers less impulse from you.

b. the wold exerts more force in total

c. the pillow distributes the decelerating force over a greater amount of time .

d. the pillow takes less of your momentum

e. it is just a subjective impression

While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.

Disney, viacom and aol time warner are examples of

30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve