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OpenStudy (anonymous):
Need help with this vector story problem
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OpenStudy (anonymous):
An observer 2 km from the launchpad observes a rocket ascending vertically. At one instant, the angle of elevation is 21 degrees. Five seconds later, the angle has increased to 35 degrees. HOW far did the rocket travel during the 5-s interval? WHAT was its average speed during the interval? IF the rocket keeps going vertically at the same average speed, what will be the angle of elevation 15 s after the first sighting?
OpenStudy (anonymous):
I need help drawing this
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