Asked by Granasty
A sailboat travels 45km eastward at a speed of 20km/hr. The wind then drops, and the boat continues due east with a speed of 15km/hr for 25km.
a.How long did it take the boat to travel 55km?
b. What was the average velocity for the trip?
a.How long did it take the boat to travel 55km?
b. What was the average velocity for the trip?
Answers
Answered by
Henry
a. T = d1/V1 + d2/V2 = 45/20 + 10/15 = 2.92 Hours.
b. T1 = d1/V1 = 45/20 = 2.25 Hours.
T2 = d2/V2 = 25/15 = 1.67 Hours.
Vavg=(d1+d2)/(T1+T2)=(45+25)/(2.25+1.67)
= 17.86 km/h.
b. T1 = d1/V1 = 45/20 = 2.25 Hours.
T2 = d2/V2 = 25/15 = 1.67 Hours.
Vavg=(d1+d2)/(T1+T2)=(45+25)/(2.25+1.67)
= 17.86 km/h.
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.