How you could change the viscosity of a cold liquid, and explain why your idea would work.

Abowling ball rolls 32 meters in 0.8 seconds what is the average speed in m/s of the bowling ball in m/s

Adistance-time graph indicates that an object moves 100m in 4s and then remains at rest for 6s. what is the average speed of the object?

How are scientific theories different than laws or hypotheses? theories can be changed to better fit new evidence theories can remain the same over hundreds of years theories can be proven beyond any doubt or questioning theories can develop without any supporting observations