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mpete1234567890
31.03.2020 •
Mathematics
A motorboat sets out in the direction N 77 degrees 48 minutes E. THe speed of the boat in still water is 31.7 mph. If the current is flowing directly south, and the actual direction of the motorboat is due east, find the speed of the current and the actual speed of the motorboat
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Ответ:
7.09 mph
30.87 mph
Step-by-step explanation:
We are given that
1 degree=60 minute
The speed of boat in still water=v=31.7mph
We have to find the speed of the current and the actual speed of the motorboat.
Speed of the current=![vsin\theta'](/tpl/images/0572/1129/520bb.png)
Speed of the current=![31.7sin12.92=7.09 mph](/tpl/images/0572/1129/65257.png)
Actual speed of the motorboat=![vcos\theta'=31.7cos12.92=30.87mph](/tpl/images/0572/1129/a6d80.png)
Ответ:
UMMM okk
Step-by-step explanation:
im dea Ima