Theories have both an explanatory an a predictive function. True
Velocity is define as the time rate taken for a change in acceleration
The answer is A. Friction.
Friction is the resisting force between two objects that move against one another.
Hope this helps! :)
Free fall without air resistance:
g=9.81 m/s²
t=235 s
h=?
h=0.5*g*t²
h=0.5*9.81*235²
h=270879m =270 km
