Question

what is a seconds pendulum​

Answer 1

Answer:

A seconds pendulum is a pendulum whose period is precisely two seconds; one second for a swing in one direction and one second for the return swing, a frequency of 0.5 Hz.

Explanation:

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Answer 2

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• ᴀ sᴇᴄᴏɴᴅs ᴘᴇɴᴅᴜʟᴜᴍ ɪs ᴀ ᴘᴇɴᴅᴜʟᴜᴍ ᴡʜᴏsᴇ ᴘᴇʀɪᴏᴅ ɪs ᴘʀᴇᴄɪsᴇʟʏ ᴛᴡᴏ sᴇᴄᴏɴᴅs; ᴏɴᴇ sᴇᴄᴏɴᴅ ғᴏʀ ᴀ sᴡɪɴɢ ɪɴ ᴏɴᴇ ᴅɪʀᴇᴄᴛɪᴏɴ ᴀɴᴅ ᴏɴᴇ sᴇᴄᴏɴᴅ ғᴏʀ ᴛʜᴇ ʀᴇᴛᴜʀɴ sᴡɪɴɢ, ᴀ ғʀᴇǫᴜᴇɴᴄʏ ᴏғ 0.5 ʜᴢ.