gravitation

the moon revolves round the earth 13 times in one year If the ratio of sun-earth distance to the earth-moon distance is 392 then the ratio of the masses of sun and earth will be

Please solve it

9 Answers

11
Anirudh Narayanan ·

Is the answer 392/169 ? PLS IGNORE THIS REPLY IF IT IS WRONG [1]

11
Anirudh Narayanan ·

IS the answer correct?

11
Anirudh Narayanan ·

T prop to 1/v

But v prop to √M/R (R is radius of orbit + planet's radius)

Thus T prop to √R/M

Te-m/Te-s = 1/13 (GIVEN)

√ReMs/MeRs = 1/13

Thus Ms/Me = (1/169) x (Rs/Re)

= 392/169

11
Anirudh Narayanan ·

Arey someone say if this is correct or not [2]

1
rahul wadhwani ·

pahle to jeebh chidana band karo & ans. sahi hain

11
Anirudh Narayanan ·

Thanx rahul [3]

1
rahul wadhwani ·

too ek bar mein nahi samtha hain

11
Anirudh Narayanan ·

hehe

:)

Aisa phir nahin karunga, yaar. Gussa mat lena.

1
rahul wadhwani ·

too gusa mat hona bas main bahut hi shant hoon

Your Answer

Close [X]