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Grade: 12th pass
        
  • the velocity of a ship in still water is 20 km/h . what is the velocity of a motor boat approaching the ship at right angles to its course if it appears to people on board ship heads towards the ship at 60 degree
  •  
3 years ago

Answers : (1)

Shaswata Biswas
132 Points
							The angle of the resultant with the ship comes to be 60`. If Vs is the velocity of the ship and Vb is the velocity of the boat, the tan60` = Vbsin90`÷(Vs-Vbcos90`). Since the angle between Vb & Vs is 90. On solving Vb = 20root3 = 34.64 m/s
						
3 years ago
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