1. The eye of a hurricane passes over Grand Bahama Island in a direction 60.0◦ north ofwest with a speed of 41.0 km/h. Three hours later the course of the hurricane suddenlyshifts due north, and its speed slows to 25.0 km/h. How far from Grand Bahama isthe hurricane 4.50 h after it passes over the island?   2. Two vectors ˙a and ˙b have equal magnitudes of 4 units. They are oriented as shown in the figure below and their vector sum is ˙r.  Find a. the x and y components of ˙r,   b. the magnitude of ˙r, and   c. the angle ˙r makes with the positive x-axis.

Physics for Scientists and Engineers: Foundations and Connections
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Problem 50PQ: An aircraft undergoes two displacements. If the first displacement is directed at an angle of 225...
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1. The eye of a hurricane passes over Grand Bahama Island in a direction 60.0
◦ north of
west with a speed of 41.0 km/h. Three hours later the course of the hurricane suddenly
shifts due north, and its speed slows to 25.0 km/h. How far from Grand Bahama is
the hurricane 4.50 h after it passes over the island?

 

2. Two vectors ˙a and ˙b have equal magnitudes of 4 units. They are oriented as shown in the figure below and their vector sum is ˙r.  Find

a. the x and y components of ˙r,

 

b. the magnitude of ˙r, and

 

c. the angle ˙r makes with the positive x-axis.

 
   

 

 

 

 

 

 
   

 

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