Answer:
The speed of sound can be gotten by simply finding the average of the results.
=0.756s
It is advisable for the students to repeat 5 times because it allows them to (a) estimate the variability of the results (how close to each other they are) and (b) to increase the accuracy of the estimate.
Artistic self because it says by drawing his favorite things hope this helps
Answer:
Total displacement = 0
Explanation:
He lives his front porch and still returns to his front porch.
Now, displacement is a vector quantity and as such, it is the distance between the initial point of movement and the final point of movement.
In this case the initial point is the same as the final point and thus the displacement is zero.
Answer:
Hey there!
The correct answer would be option A. If one body is positively charged and another body is negatively charged, free electrons tend to move from the negatively charged body to the positively charged body
Let me know if this helps :)