Well idk if this helps but the formula to solve acceleration is
a=F/m=(100kg)=1.0m/s 2
I believe it's the the third one. :)
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D) The speed of a wave slows as it travels at different speed in different media.
Answer:
Let's start by understanding what exactly a scientific question is. A scientific question is a question that may lead to a hypothesis and help us in answering (or figuring out) the reason for some observation. A good scientific question has certain characteristics. It should have some answers (real answers), should be testable.
Here's examples of a few:
Why is that a star?
or
What is that star made of?
Hope this can lead you to the answer you're looking for at least!!
