A boat has speed of 12 ms-¹ in still water. This boat crosses a river moving at 5 ms¯¹ at right angle to motion of boat. What is speed of boat in water? 5 ms 1 12 ms 1 13 ms -1 17 ms-¹
Answers
Answered by
0
Speed of boat in still water = 5 m/s
Speed of stream = 12 m/s
Both are perpendicular to each other
Hence resultant magnitude of speed = √5² + 12²
= √25 + 144
= √169
= 13
resultant magnitude of speed is 13 m/s
Similar questions