Surface of the earth does the balloon have a speed

Reference no: EM13646237

A 527-kg hot-air balloon takes off from rest at the surface of the earth. The non-conservative wind and lift forces take the balloon up, doing 377000 J of work on the balloon in the process. At what height above the surface of the earth does the balloon have a speed of 7.38 m/s?

Reference no: EM13646237

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