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8 votes
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A helicopter hovers 568 m above a field and 96 kJ of gravitational potential

energy is stored. Assuming g = 9.8 N/kg, find the helicopter's mass.

User Hko
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1 Answer

12 votes
12 votes

Answer:

mass m = 17.2 kg.

Step-by-step explanation:

Use potential energy =m*g*h,

so,

m=potential energy/(g*h)

m=96000 J/(9.8*568) = 17.2 kg

User Slateboard
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3.0k points