Question

How many seconds make a day of(one solar day)

Answer 1

Answer:

Because of these changes in the difference between a sidereal day and a solar day at any given time of the year, we define something called the mean solar day, and it is the mean solar day which should be 24 hours, or 86,400 seconds long.

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Answer 2

Answer:

86400

Explanation:

60×60×24=86400