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OpenStudy (anonymous):
NEED HELP WITH BASE UNDERSTANDING A package of instruments is attached to a helium filled weather balloon that exerts an upward force of 45 N. A. If the instrument package weighs 10 kg will the balloon be able to lift it B. What is the upward acceleration if the instruments weigh 2.0 kg
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OpenStudy (anonymous):
a. no because upward force not large enough to overcome the weight
OpenStudy (anonymous):
in these questions, always find resultant force
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