1. Life is meaningless.
2. 42
Explanation:
for v vs t graph for t=9 to 11,v=15kmph
similarly v2=0,v3=60kmph&v4= -40kmph
The question is poor. Light doesn't refract on its way THROUGH anything. It refracts at the boundary BETWEEN two different media. The effect is greatest where the ratio of the speeds of light in the two media is greatest. On your list, that would be at the boundary between air or space and glass.
Answer:
A kid becoming an adult
A leg becoming bruised
A person's blood pressure raising because they are running
need a picture to answer specific questions.
Explanation:
All of these are physical changes. Hope that this helps you and have a great day :)