Assume the acceleration of the object is a(t) = −32 feet per second per second. (Neglect air resistance.) With what initial velocity must an object be thrown upward (from ground level) to reach the top of a national monument (510 feet)? (Round your answer to three decimal places.) ft/sec

falling water hydro = water .. spectcular places these plants are

c. newton's third law of motion

what experimental evidence led scientists to change from the previous model to this one?

a few of the positive particles aimed at a gold foil seemed to bounce back.

the colors of light emitted from heated atoms had very specific energies.

experiments with water vapor showed that elements combine in specific proportions.

cathode rays were bent in the same way whenever a magnet was brought near them.