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

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

Grade:11

1 Answers

Priyanshu Gujjar
101 Points
one month 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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