A body weight 4.5kg on the surface of the earth How much it will weight on the planet whos mass is 1/9 the mass of the earth and radious half that of the earth
a)4 wt
b)1 wt
c)2 wt
d)8 wt
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Answer:
Simple. Use the Formula g=GM/(R^2) and then substitute the given values. r= R/2 = 6400 km /2 = 3200km . Mass of earth /8 = 6.4 ×10^24 /9 kg.
Calculate g using this formula!
We know that the weight = mg
mass =4.5 Kg
weight = mass of body ×g
SOLVED.
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