Question

1/7/2019 2. The balloon A is ascending at the rate vA-12 kmhr and is being carried horizontally by the wind at Vw-20 km/hr. If a ballast bag is dropped from the balloon at the instant h-50m, detemine the time needed for it to strike the ground. Assume that the bag was released from the balloon with the same velocity as the balloon. With what speed does the bag strike the ground? Watch your units.. CHECK: t 3.55 s

Answer 1

Approach used :- we use the kinematics equations to find the time to reach ground and then using the time we find final vertical speed and then we find total speed at ground as shown below,

***************************************************************************************************
This concludes the answers. If there is any mistake, let me know immediately and I will fix it....

Whem th bag is dropbe hap initial vel we talee bouonoand as positive-, tum mls 3.55s takon to stie teu or MS