Question

Time period of satellite is 5 hours and if the distance between the satellite and the earth is increased by 4 times then what will be the time period

Answer 1

Let T1 = 5 hours.

We have to find T2.

LET distance between satellite and earth be r

Now distance is increased by 4 times .

Therefore now r becomes 4r

We know that,

T² is directly proportional to r³

Therefore ,

T2/T1 = (4r)³/r³

= 64r³/r³

T2= 64 × T1

= 64 × 5

= 320 hours