Which scenarios are examples of physical changes? Select three options
1 answer:
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 :)
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I would say your answer to this question would be D
Answer:
4.6s
Explanation:
v=u+at
0=22.5+(-9.8)t
-22.5=-9.8t
t=-22.5/-9.8
t=2.295 s
The total time will double
2.295×2=4.59s
=4.6s
It will not explode since the mass of the cotton balls is so low but rather will most likely break the lock and hinges and come out.
- m=magnification
- f is focal length
- C is radius of curvature
- u is object distance
