Question

during an experiment a signal from a space ship.reached the ground in 5 seconds what was the distance of the space ship from the ground if the signal travels at a speed of 3 ×10^8m/s^-1​

Answer 1

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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

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Answer 2

Answer:

distance=speed

time

= 3×10⁸ m/s

5s

=6×10⁸m