Express 130 kilometers per second in meters per hour
-
A.
7.8 x 10-5 -
B.
4.68 x 106 -
C.
7,800,000 -
D.
4.68 x 108 -
E.
7.80 x 105
Correct Answer: Option D
Explanation
1km = 1000m
60sec. = 1 mins
60 mins. = 1 hr
130000m per sec = 130000 x 3600
= 468000000m/hr
= 468 x 108 m/hr