A hot air balloon with a mass of 700kg ascends at a constant rate of 1.60m/s for 20.0s. How much work is done by the upward buoyant force? (Neglect air resistance) a. 250,000J b. 189,160 J c. 220,000 J d. 188,000 /

A hot air balloon with a mass of 700kg ascends at a constant rate of 1.60m/s for 20.0s. How much work is done by the upward buoyant force? (Neglect air resistance) a. 250,000J b. 189,160 J c. 220,000 J d. 188,000 /

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter15: Thermodynamics

Section: Chapter Questions

Problem 13PE: A hand—driven tire pump has a piston with a 2.50cm diameter and a maximum stroke of 30.0 cm. (a) How...

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Question

A hot air balloon with a mass of 700kg ascends at a constant rate of 1.60m/s for 20.0s. How
much work is done by the upward buoyant force? (Neglect air resistance)
a. 250,000 J
b. 189,160 J
c. 220,000 J
d. 188,000 J

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