Asked by ash

a balloon is moving upwards with speed of 5m per second .when it is at height 98 m.a packet dropped from it .what velocity of packet when it strikes the ground
Answered by bobpursley
Final energy=initial energy
1/2 m vfinal^2=mg(98)+1/2 m 5^2

solve for vfinal
Answered by Aishwarya
11m/s