How much power is required to lift a 2 Kg object 5 meters in 4.5 seconds?

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

Ain is , is 's of ? 0.62 0.79 1.27 1.50

Which best describes what forms in nuclear fission? a. two smaller, more stable nucleib. two larger, less stable nucleic. one smaller, less stable nucleusd. one larger, more stable nucleus