Color <span>is a physical property of all visible light determined by the light's frequency and visible to the human eye.</span>
Answer:
a) 2.5m/s
b) 0.91m/s
c) 0m/s
Explanation:
Average velocity can be said to be the ratio of the displacement with respect to time.
Average speed on the other hand is the ratio of distance in relation to time
Thus, to get the average velocity for the first half of the swim
V(average) = displacement of first trip/time taken on the trip
V(average) = 50/20
V(average) = 2.5m/s
Average velocity for the second half of the swim will be calculated in like manner, thus,
V(average) = 50/55
V(average) = 0.91m/s
Average velocity for the round trip will then be
V(average) = 0/75, [50+25]
V(average) = 0m/s
Hello!
The independent variable is the variable deliberately changed.
The dependent variable is the variable that responds to change. So the answer is A.
Hope this helps. Any questions please just ask! Thank you!
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