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calculus
At noon, ship A is 110 km west of ship B. Ship A is sailing east at 25 km/h and ship B is sailing north at 15 km/h. How fast is the distance between the ships changing at 4:00 PM?
asked by John on October 13, 2011 
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At noon, ship A is 40 nautical miles due west of ship B. Ship A is sailing west at 18 knots and ship B is sailing north at 23 knots. How fast (in knots) is the distance between the ships changing at 4 PM? (Note: 1 knot is a speed
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a ferry boat is sailing at 12 km/h 30 degrees west of north with respect to a river that is flowing at 6 km/h. in what direction, as observe from the shore, is the ferry boat is sailing?
asked by Anonymous on January 30, 2011 
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At 9am ship B is 65 miles due east of another ship A. Ship B is then sailing due west at 10mi/h and A is sailing due south at 15 mi/hr if they continue in their respective course when will they be nearest to one another? and how
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Physics
Two sailing boats sail away from each other on a lake. Sailing boat A sails directly North at 3km/h and sailing boat B sails N.53,13°.E at 5km/h .calculate: 1. The velocity of sailing boat A relative to the velocity of sailing B.
asked by Pearl on June 24, 2020

Math
At 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
asked by Salman on October 16, 2009 
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Ship A is 70 km west of ship B and is sailing south at the rate of 25 km/hr.ship B is sailing north at the rate of 45 km/hr.how fast is the distance between the two ships changing 2 hours later?
asked by Dani mak on January 14, 2013 
Calculus
At noon, ship A is 180 km west of ship B. Ship A is sailing east at 40 km/h and ship B is sailing north at 30 km/h. How fast is the distance between the ships changing at 4:00 PM?
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Physics
A 15700 kg sailboat experiences an eastward force 22000 N due to the tide pushing its hull while the wind pushes the sails with a force of 80900 N directed toward the northwest (45◦ westward of North or 45◦ northward of West).
asked by Big Poppa Smurf on January 29, 2013 
Calculus
At noon, ship A is 130 km west of ship B. Ship A is sailing east at 25 km/h and ship B is sailing north at 20 km/h. How fast is the distance between the ships changing at 4:00 PM?
asked by Derek on May 10, 2018 
calculus
At noon, ship A is 100 kilometers due east of ship B. Ship A is sailing west at 12 k/h and ship B is sailing S10degrees west at 10 k/h. At what time will the ships be nearest each other and what will this distance be? (hint: You
asked by Zumba on July 23, 2012
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