physics

A Speedboat whose velocity in still water is 12m/s, is crossing a river flowing due east,at a velocity of 5m/s. If the boat is moving due North, Calculate its velocity across the river and the direction the boat is moving.

  1. 👍 0
  2. 👎 0
  3. 👁 104
  1. draw a diagram. you have a 5-12-13 triangle, right?
    tanθ = 5/12

  2. V = 5+12i = 13m/s[67.4o].

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. physics

    A river flows due east at 1.50 m/s. A boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 9.2 m/s due north relative to the water. (a) What is the velocity of the boat as viewed by

    asked by Anonymous on December 13, 2012
  2. Physics

    A speedboat moves on a lake with initial velocity vector v1,x = 8.57 m/s and v1,y = -2.61 m/s, then accelerates for 6.67 seconds at an average acceleration of aav,x = -0.105 m/s2 and aav,y = 0.101 m/s2. What are the components of

    asked by Breauna on February 13, 2015
  3. Physics

    A man at point A directs his rowboat due north toward point B, straight across a river of width 100 m. The river current is due east. The man starts across, rowing steadily at 2.50 m/s and reaches the other side of the river at

    asked by Marissa on February 2, 2014
  4. Physics

    A BOAT IS ROWED WITH A VELOCITY OF 8KM/H DUE NORTH STRAIGHT ACROSS A RIVER WHICH IS FLOWING AT 6 KM/H DUE EAST. find the magnitude of the resultant velocity in KM/H

    asked by Simeon on June 24, 2020
  5. science

    a boat heading due north crosses a wide river with speed of 12km/h relative to the water the water in the river has a uniform speed of 5 km/h due east relative to the earth.determine the velocity of the boat relative to an

    asked by jo1475 on July 1, 2012
  1. Physics

    A boy wishes to row across a river in the shortest possible time. He can row at 2m/s in still water and the river is flowing at 1m/s. At what angle should he point th efront of his boat? The answer is 90 degrees but I don't

    asked by Brenda on September 23, 2012
  2. Physics-Mechaincs

    A rowboat crosses a river with a velocity of 1.01 m/s at an angle 30◦ North of West relative to the water. Water’s frame of reference: speed of boat: 1.01 m/s direction from current: 30◦ The river is 322mwide and carries a

    asked by Genevieve on September 19, 2010
  3. Physics

    A man which travel due north in other to cross a river 5km wide flowing due east at 3km/h. If he can roll at 10km/h in still water. Find either by scale drawing or by calculation (1) the direction in which he must head is boat in

    asked by Dickson on December 6, 2015
  4. physics

    A 200-m-wide river flows due east at a uniform speed of 2.0 m/s. A boat with a speed of 8.0 m/s relative to the water leaves the south bank pointed in a direction west of north. What are the (a) magnitude and (b) direction of the

    asked by hanrap on February 9, 2010
  5. Physics please help

    A duck has a mass of 2.8 kg. As the duck paddles, a force of 0.05 N acts on it in a direction due east. In addition, the current of the water exerts a force of 0.15 N in a direction of 60° south of east. When these forces begin

    asked by Sushmitha on January 21, 2012

You can view more similar questions or ask a new question.