give ANSWER of Q7 AND Q6
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Q7 - escape velocit= √(2gr)
g is in km/s^s so g= 9.8*0.001=0.0098km/s^2
substitue in the formula you will get 11.2km/s
Q6- I am not sure as i have never heard of critical speed and never read about it.
If possible read hc verma volume 1 or disha foundation. there are numerous formulae. i could not remember them still in class 9
g is in km/s^s so g= 9.8*0.001=0.0098km/s^2
substitue in the formula you will get 11.2km/s
Q6- I am not sure as i have never heard of critical speed and never read about it.
If possible read hc verma volume 1 or disha foundation. there are numerous formulae. i could not remember them still in class 9
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