The gravitational potential difference between the surface of a planet – McqOptions

MCQOPTIONS

1.	The gravitational potential difference between the surface of a planet and a point 20 m above it is 16 J/kg. how much work is done in moving a 2 kg mass by 8 m on a slop 60° from the horizontal?
A.	11.1 J
B.	55.5 J
C.	16 J
D.	27.1 J
Answer» B. 55.5 J

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