Question

2 Shake=?
1) 10 power - 8 sec
2) 2x10power-8 sec
3) 10 power -6sec
4) 10power-5 sec​

Answer 1

Explanation:

Let the distance between the spaceship and the ground station be 'S' .

Then, S=vt

where, v= speed of signal =3×10

8

m/s

t= time taken =5min=5×60s=300s

∴s=3×10

8

×300=9×10

10

m