I WAS SOLVING THE SUM TODAY ITSELF BUYOANCY=B (CONSTANT) LET THE CONSTANT OF AIR RESISTANCE BE K THEREFORE IN BOTH THE CASES ITS VALUE BE KV IN THE FIRST CASE SINCE THE BALLOON IS NOT ACC THE MAG OF OPP FORCES WILL BE EQUAL ACCORDING TO QUES THE AIR RESISTANCE WILL BE OPP TO VEL SO B+KV=MG IN THE 2ND PART LET THE MASS REMOVED BE m THEREFORE THE NEW MASS = (M-m) THE BAOON IS RISING UP SO THE AIR RESISTANCE WILL BE IN THE OPP DIRECTION B=(M-m)G+KV SOVING THE EQUATIONS WE GET m =2KV/G IN THE 2ND PART KV=MG-B SO 2KV.G =2(MG-B)/G= PLZ RATE ME IF U FIND ME USEFUL !!!!!!CHEERS!!!!!!
From shadows a light shall spring
Renewed shall be blade that's broken
The crown less again shall be king.
Moderation Team
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