A rock is held in place by friction against the inside wall of the rotating drum. The radius of the drum is 0.2 meters and the
period of the drum is 1s. The velocity of the rock is m/s

Which one of the following research methods can show cause and effect

Examine the nuclear reacti why is this classified as a nuclear reaction rather than a chemical reaction? it is not balanced. a new compound is formed. a change has occurred in a nucleus. a new element has been formed.

Which of the following is not a means to accelerating? question 4 options: a)increase speed b)remain still c)decrease speed d)change direction