Unlike an observational study, an experiment can prove: A. Cause and effect.

B. The nature of the mind.

C. Correlation.

D. The lack of bias.

Arock is dropped from a cliff and reaches the ground in 2.70s. at the same time another rock is thrown horizontally from the same height with initial x velocity of 0.95 m/s. what distance will in x will the second rock cover?

One object has a mass of 1 kg and another object has a mass of 3 kg. if the speeds are the same, which of the following is true about their kinetic energy?

How do we measure or think of speed in the united states?