Huck Finn walks at a speed of 0.60 m/s across his raft (that is, he walks perpen

Question

Huck Finn walks at a speed of 0.60 m/s across his raft (that is, he walks perpendicular to the raft's motion relative to the shore). The raft is traveling down the Mississippi River at a speed of 1.38 m/s relative to the river bank (see the figure (Figure 1). What is Huck's velocity (speed and direction) relative to the river bank? Express your answer to three significant figures and include the appropriate units. Express your answer to three significant figures and include the appropriate units.

Explanation / Answer

the velocity of the Huck's relative to the river bank is,

Vhr = sqrt(Vhuck^2+Vraft^2)
= sqrt(0.6^2+1.38^2)
= 1.50 m/s

angle = arctan(0.6/1.38)= 23.5 degrees   

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