A group of runners complete a 26.2 mile marathon in 3.4 hours. The distance between the start and finish lines is 12.2 miles. Wh
2 answers:
Answer:
Explanation:
As we know that the total path length of the Marathon is given as
while the straight distance between start and finish lines is given as
so here we can say that the displacement is the straight line distance between initial and final position which is 12.2 miles
so it is given as
now the average velocity is defined as the ratio of displacement and time
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After adding them, you will get the reciprocal again and then compute for the value. The problem says that there are 4 resistors in the circuit that have a resistance of 75.
Add up the numerator and copy the denominator:
Then get the reciprocal to get the total resistance:
The answer to your question then is A. 18.8.