A substance could have physical characteristics and chemical ones too, which are unique to the certain substance.
Color, odor, and how hard the substance, are all examples of physical characteristics of a substance.
Toxicity, flammability, and acidity, are all examples of chemical characteristics of a substance.
Yes energy makes things move
Newton observed the action of a prism on the white light and on red light. Because he did not control the event, this investigation of light was an observational study.
Hope this helps! (:
Answer:
a) 
, b) 
Explanation:
The problem is asking the rocket velocity and acceleration at t = 6 s.
a) The general equation of the rocket is:
b) The acceleration experimented by the rocket is:
