solve 3rd question please
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sorry for bad handwriting
(b) use m2 in roh = mass / volume and volume =4/3 pi (r)3
(b) use m2 in roh = mass / volume and volume =4/3 pi (r)3
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we have classes on tomorrow means tuition classes can u do it now
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now
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in which standard are you
say me which standard ur..
i have done masters
really
but now I am grade 12
can u do this 5th an 6th questions because today I have classes soo
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Qn 3. G = 6.67 *10⁻¹¹ Nm²/kg². R = 6.4 * 10⁶ m. g = 9.8 m/s²
We know from Newton's Gravitational law:
g = G M / R²
=> M = g R² / G = 9.8 * 6.4² * 10¹² /6.67*10⁻¹¹ Kg = 6.018 * 10²⁴ Kg
density = d = M / [4 π R³ /3 ] = 5,480.6 Kg /m³
Substitute the values and calculate the answer.
We know from Newton's Gravitational law:
g = G M / R²
=> M = g R² / G = 9.8 * 6.4² * 10¹² /6.67*10⁻¹¹ Kg = 6.018 * 10²⁴ Kg
density = d = M / [4 π R³ /3 ] = 5,480.6 Kg /m³
Substitute the values and calculate the answer.
:-) :-)
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