Question

what is the speed of light in vaccum? why light is fast? ​

Answer 1

Answer:

train travel please please

Answer 2

sᴘᴇᴇᴅ ᴏғ ʟɪɢʜᴛ ɪɴ ᴠᴀᴄᴄᴜᴍ:

186,282 miles per second (299,792 kilometers per second)

ʟɪɢʜᴛ ɪs ғᴀsᴛ ʙᴇᴄᴀᴜsᴇ:

ʙᴇᴄᴀᴜsᴇ ᴏғ ᴛʜᴇ sᴘᴇᴄɪᴀʟ ᴘʀɪɴᴄɪᴘʟᴇ ᴏғ ʀᴇʟᴀᴛɪᴠɪᴛʏ:ᴘʜʏsɪᴄᴀʟ ʟᴀᴡs sʜᴏᴜʟᴅ ʜᴀᴠᴇ ᴛʜᴇ sᴀᴍᴇ ғᴏʀᴍ ɪɴ ᴀʟʟ ɪɴᴇʀᴛɪᴀʟ sʏsᴛᴇᴍs (sʏsᴛᴇᴍs ᴀᴛ ᴄᴏɴsᴛᴀɴᴛ sᴘᴇᴇᴅ). ɪᴛ ɪs ɪɴᴅᴇᴘᴇɴᴅᴇɴᴛ ғ ᴛʜᴇ ᴍᴏᴠᴇᴍᴇɴᴛ ᴏғ ʟɪɢʜᴛ's sᴏᴜʀᴄᴇs.

I hope my answer helped you.....✌