College Physics
Solutions
College Physics
You drive 7.50 km in a straight line in a direction 15° east of north. (a) Find the distances you would have to drive straight east and then straight north to arrive at the same point. (This determination is equivalent to find the components of the displacement along the east and north directions.) (b) Show that you still arrive at the same point if the east and north legs are reversed in order.
(a)
The distances drove into straight east and then straight north to arrive at the same point>
Given:
  
  
Formula used:
Distances drove into straight east
Distances drove into straight north
Calculation:
The distance straight east is equal to the segment AC:
  
(b)
To Show:
That you still arrive at the same point if the east and north legs are reversed in order
Chapter 3 Solutions
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