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1.6(irodov) a ship moves along the equator to the east with velocity vo=30km/hr .the southeastern wind blows at an angle pie=60 to the equater with velocity v=15km/hr find the wind velocity v' relative to the ship and the angle pie' between the equater and wind direction in the reference frame fixed to the ship

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 this is my solution  soory for messy handwriting
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IE IRODOV BOOK REVIEW

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 FIRST THIS FOR PHYSICS LOVER FOR IPHO(  https://www.blogger.com/blog/post/edit/2134465582064330324/8202381394122414844   )  OR YOU TARGET FOR JEE ADVANCED UNDER 100 SO THIS FOR YOU YOU BUY BOOK FOR HERE SOME CONTENT OF IRODOV                                                                  THANK YOU
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1.3 A CAR STARTS MOVING RECTILINEARLY FIRST WITH ACCELERATION W=5M/S^2 THEN UNIFORMALY DECELARTING AT THE SAME RATE W COMES TO STOP THE TOTAL TIME TAKEN OF MOTION EQUALS TO T=25SEC THE AVERAGE VELOCITY DURING THAT TIME IS EQUAL TO V=72KM/HR HOW LONG DOES CAR MOVE UNIFORMALY?

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 SORRY FOR BAD PICTURE
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1.2 A POINT TRAVESED HALF THE DISTANCE WITH VELOCITY V0 .THE REMANING PART OF THE DISTANCE WAS COVERED WITH VELOCITY V1 AND V2 FOR OTHER HALF TIME FIND THE MEAN VELOCITY OF THE POINT AVERAGED OVER THE WHOLE TIME OF MOTION

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 HOPE YOU LIKE THE ANSWER 
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1.1 a motarboat going downstream overcame a raft at a point a t=60min later it turned back and after some time paseed the raft at a distance l=6km from pointa find the velocity assuming the duty of the engine to be constan

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 IRODOV1.1 SOLUTIONS
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