Chapter 6, Problem 68A

To determine

To Complete: The problem using the concept of relative velocity.

Explanation of Solution

Introduction:

Width of the river is $55\text{ m}.$

Speed of water current is $0.7\text{ m/s}.$

To complete this problem, take into consideration about what has been given in the statement. So, one needs to relate the problem by relative velocity. For that, one must find what else is needed to complete the formula for relative velocity.

According to which, one needs two more quantities for this formula to be completed.

  $\theta =\tan \left(\frac{v_2}{v_1}\right)$

So, the correct answer can be, “…..She wants to reach at her training camp which is on the east side of the river bank, i.e., $68\text{ m}$ downstream. If the velocity of the boat is $6\text{ m/s}$ . What will be the angle of direction of the boat to move straight to the camp point?”