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OpenStudy (y2o2):
A body of mas 20 kg. is suspended from the end of a spring balance fixed in a balloon.find the apparent weight of the body indicated in the balance in kg.wt. in each of the following cases: a) the balloon moves upwards with a uniform velocity 2.5 m/s . b) the balloon moves upwards with a uniform acceleration 4.9 m/s² . c) the balloon moves upwards with a uniform acceleration 4.9 m/s². (g = 9.8 m/s²)
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