Physics, asked by ms012, 6 months ago

A swimmer starts from a point on one end of the bank of the river. He swims in a straight line inclined to the bank of the river at 55° and reaches to the opposite bank. If he covers a total distance of 40m, then find the width of the river?
Options
a) 60.12m
b) 45.89m
c) 24.42m
d) 30.09m​

Answers

Answered by amitnrw
0

Given : a swimmer starts from a point an one end of the bank of river he swims in a straight line inclined to the bank of the river at 55° and reaches to opposite bank

he covers a total distance of 40 m  

To Find : the width of the river​

Solution:

Ignoring river flow

straight line inclined to the bank of the river at 55°  

=> Sin 55°   = Width of River / Total Distance covered

=> 0.819 = Width of River / 40

=> Width of River = 32.76   m

width of the river​  = 32.76   m

none of the given option is correct .

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