What is the kinetic energy of a 1 kilogram ball is thrown into the air with an initial velocity of 30m/sec?

Ais not a compound machine. a. bolt b. shovel c. handcart (dolly) d. see-saw (teeter totter)

Which of these questions might a character ask if the conflict is man versus self? a. which path should i take to better myself? b. which boulder will be too heavy for me to carry? c. which friend is going to ditch me today? d. all of the above

Energy flows from the producer level to the level. is called