Asked by Donna

Several people are riding in a hot-air balloon. The combined mass of the people and balloon is 284 kg. The balloon is motionless in the air, because the downward-acting weight of the people and balloon is balanced by an upward-acting 'buoyant' force. If the buoyant force remains constant, how much mass should be dropped overboard so the balloon acquires an upward acceleration of 0.28 m/s2?
Answered by bobpursley
weight=ma
but m is the weight left
weight=(284-Weight)*.28m/s^2

solve for weight
Answered by Donna
but if you have two variables how do you solve? I understand that force=ma so the normal force is (284)(9.8)=2783.2, but I don't really understand how to determine when acceleration is .28
Answered by Flipman
bois there is this guy called "Mr.Hojman" and he's answering questions with this "message" here it is....

Please don't cheat and use this website do your work and learn! - Mr.Hojman
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