What variables affect the gravitational force between two objects? Select 2 choices. A
mass
B
speed
C
distance between them
D
volume
E
air pressure

Why is there friction between objects

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.

Who was the first scientist to measure speed as distance over time?