A boy runs from point A to B with the speed of 30m/s and B to A in 50m/s. What his average speed?
a. 40m/s
b. 37.5 m/s
c. 80 m/s
d. 0m/s
a. 40m/s
b. 37.5 m/s
c. 80 m/s
d. 0m/s
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Answer:
40m/s
Step-by-step explanation:
Formula
Average Speed: (S1+S2)/2
(50+30)/2
= 40m/s
A boy runs from point A to B with the speed of 30m/s and B to A in 50m/s. What his average speed?
C. 80m/s