Niagara Falls is 51 meters high. If you dropped a ball off the ledge, how much time would it take it to hit the water? PLEASE SHOW WORK. WILL MARK BRAINLIEST

Determine the maximum r-value of the polar equation r =3+3 cos 0

Much of the information taught in earth-space science would not be available if it weren’t for our remote sensing abilities. explain two ways our remote sensing strategies contribute to our knowledge of these topics.

The energy released by a nuclear fusion reaction is produced when