contestada

Bob can row 5 mph In still water. He rows directly across a river flowing at 6 mph. Using vectors, find his resultant
speed.

a. 7.81 mph
b. 3.32 mph
c. 11.00 mph
d. 7.14 mph

Bob can row 5 mph In still water He rows directly across a river flowing at 6 mph Using vectors find his resultant speed a 781 mph b 332 mph c 1100 mph d 714 mp class=

Respuesta :

abidemiokin

Answer:

7.81mph

Step-by-step explanation:

Using the pythagoras theorem;

resultant r is expressed as;

r² = 5² + 6²

r² = 25 + 36

r² = 61

r =√61

r = 7.81mph

Hence the resultant speed is 7.81mph

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