Homework Help Forum: Math

Posted by Salman on Thursday, October 15, 2009 at 4:53pm.

t noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 16 knots and ship B is sailing north at 22 knots. How fast (in knots) is the distance between the ships changing at 7 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.) Note: Draw yourself a diagram which shows where the ships are at noon and where they are "some time" later on. You will need to use geometry to work out a formula which tells you how far apart the ships are at time t, and you will need to use "distance = velocity * time" to work out how far the ships have travelled after time t.

• Math - bobpursley, Thursday, October 15, 2009 at 4:55pm

  The Note says it all. How can I help you.

  
  

• Math - Salman, Thursday, October 15, 2009 at 5:08pm

  just help me find out the formula which tells how far apart the ships are

  
  

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