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a boat is moving with a velocity vbw=5kmhrat time t=0 the boat passes through a piece of cork floating

Gokul R , 3 Years ago
Grade 11
anser 1 Answers
Priyanshu Gujjar

Last Activity: 3 Years ago

Let 

 

is the distance travelled by boat along down stream in 

 

sec and it returns back and it meets the cork at point 

 

after 

 

sec.
 

 

Let 

is the distance travelled by the cork during 

 

sec.
 

 

....(1)
 

 

....(2)
 

 

....(3)
Substitute (1) and (3) in (2) we get 

 


 

 

The boat meets the cork again after 

 

and the distance 

 

travelled by the boat before meets the cork is
 

 


 

 


 

 

 

 

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