2. 0/5 points | Previous Answers SerCP11 4.P.005. My Notes Ask Your A bag of sug

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2. 0/5 points | Previous Answers SerCP11 4.P.005. My Notes Ask Your A bag of sugar weighs 4.50 lb on Earth. What would it weigh in newtons on the Moon, where the free-fall acceleration is one-sixth that on Earth? 20.016x Your response differs from the correct answer by more than 100%. N Repeat for Mars, where g is 0.385 times that on Earth Find the mass of the bag of sugar in kilograms at each of the three locations. Earth Moon Mars kg kg kg Need Help? Read It Submit Answer Save Progress Practice Another Version

Explanation / Answer

W = mg = 4.5 lb = 20.02 N (1 lb = 4.45 N)

mass will remain constant irrespective of the location

20.02 = m*9.81

=> m = 2.04 kg

acceleration due to gravity at moon = gm = g/6

Weight at moon = m(g/6) = mg/6 = 4.5/6 = 0.75 lb = 3.34 N

acceleration due to gravity at mars = gM = 0.385*g

Weight at mars= m(0.385*g) = 0.385*mg = 0.385*4.5 = 1.7325 lb = 7.71 N

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