ship B is sailing north at 16 knots. How fast (in knots) is the distance between the ships changing
at 5 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.) knots Box 1: Enter your answer
as a number (like 5,-3,2.2) or as a calculation (like 5/3,2 3,5+4) Enter DNE for Does Not Exist,
oo for Infinity
Solution
x * dx + y * dy = z * dz 80 * 16 + 120 * 16 = 144.22 * dz dz = 22.18 Knots