Jogging Johnny runs along a train flatcar that moves at the velocities shown. From greatest to least,rank the relative velocities of Jake as seen by an observer on the ground. (Call the direction to the right positive).
The ranking of relative velocity from greatest to least of Jake.
Answer to Problem 1TC
The rankingof relative velocity from greatest to least of Jake is
Explanation of Solution
Given info:
The velocity of Jogging Johnny is
Write the expression for the velocity relative to the person on the ground.
Here,
Substitute
Thus, the relative velocity of Jake as seen by observer on the ground in case A is
Substitute
Thus, the relative velocity of Jake as seen by observer on the ground in case B is
Substitute
Thus, the relative velocity of Jake as seen by observer on the ground in case C is
Thus, the relative velocity of Jake as seen by observer on the ground in case D is
Conclusion:
Therefore, theranking of relative velocity from greatest to least of Jake is
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