A hot-air balloon of mass 220 kg is descending vertically with downward acceleration of magnitude 1.4 m/s?. How much mass (ballast)must be thrown out to give the balloon an upward acceleration of magnitude 1.4 m/s² (same magnitude but opposite direction)?Assume that the upward force from the air (the lift) does not change because of the decrease in mass.NumberiUnits

Initial mass of the hot aur balloon is , Mo = 220 kg Initial acceleration is downward a = 1.4 m/s²…

Answered: A hot-air balloon of mass 220 kg is…

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter5: Newton's Laws Of Motion

Section: Chapter Questions

Problem 68PQ

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