The mass of an object on jupiter varies directly with its mass on earth. a rock that weighs 20 lbs on earth would weigh 42 lbs o
n jupiter. How much would a rock that weighs 10.5 lbs on jupiter weigh on earth?
A. 2.1 lbs
B. 5 lbs
C. 21.2 lbs
D. 22.1 lbs
2 answers:
Answer:-The mass of a rock weighs 10.5 lbs on Jupiter weighs 5 lbs on earth.
Explanation:-
Given:- The mass of an object on Jupiter varies directly with its mass on earth.
Let the mass of a rock weighs 10.5 lbs on Jupiter weighs x lbs on earth.
Then by direct proportion, we have
Thus the mass of a rock weighs 10.5 lbs on Jupiter weighs 5 lbs on earth.
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