Oasis A is 90 km due west of oasis B. A desert camel leaves A and takes 50 h to walk 75 km at 37° north of due east. Next it takes 35 h to walk 65 km due south. Then it rests for 5.0 h. What are the (a) magnitude and (b) direction of the camel’s displacement relative to A at the resting point? From the time the camel leaves A until the end of the rest period, what are the (c) magnitude and (d) direction of its average velocity and (e) its average speed? The camel’s last drink was at A; it must be at B no more than 120 h later for its next drink. If it is to reach B just in time, what must be the (f) magnitude and (g) direction of its average velocity after the rest period?
Oasis A is 90 km due west of oasis B. A desert camel
leaves A and takes 50 h to walk 75 km at 37° north of due east.
Next it takes 35 h to walk 65 km due south. Then it rests for 5.0 h.
What are the (a) magnitude and (b) direction of the camel’s displacement
relative to A at the resting point? From the time the
camel leaves A until the end of the rest period, what are the (c)
magnitude and (d) direction of its average velocity and (e) its average
speed? The camel’s last drink was at A; it must be at B no more
than 120 h later for its next drink. If it is to reach B just in time, what
must be the (f) magnitude and (g) direction of its average velocity
after the rest period?
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