3. A rowing crew heads across river at \( 15 m / s \) . The crew heads in a direction \( 45 ^ { \circ } \) north of west. At the same time the current flows at \( 3 m / s \) due north. What is the speed and direction of the boat on the river? Give your answer to \( 1 \) decimal place.
Pregunta
Answer
17.1 m/s in the direction 45 degree north of west
13.6 m/s in the north
Related Questions
Q:
If \( y = f ( g ( h ( x ) ) ) , \) then the derivative \( y ^ { \prime } \) is given by which for
a) \( f ^ { \prime } ( g ( h ( x ) ) \)
b) \( f ^ { \prime } ( g ( h ( x ) ) h ^ { \prime } ( x ) \)
c) None of these
d) \( f ^ { \prime } ( g ( h ( x ) ) g ^ { \prime } ( h ( x ) ) \)
e) \( f ^ { \prime } ( g ( h ( x ) ) g ^ { \prime } ( h ( x ) ) h ^ { \prime } ( x )\)
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