Answer 14a and 14b by filling in the correct parts of the diagram.
If the river were flowing at 4 m/s and the driver still could only aim the boat a maximum of -30 degrees:
a) What velocity would the boat's motor need to provide (v.) to get the boat straight across the
river? Hint: SOHCAHTOA)
b) What would the boat's final resulting velocity be,
relative to the earth?