Example A balloon has a mass of 10 gram in air The air

Last updated: 6/11/2023

Example A balloon has a mass of 10 gram in air The air escapes from the balloon at a uniform rate with a velocity of 5 cm s and the balloon shrinks completely in 2 5 s Calculate the average force acting on the balloon Solution Here m 10 gram v 5 cm s dm dt F 10 2 5 dp dt 4 gram sec F d dt mv dm dt 20 dyne v 4 x 5