Question

define speed and S.I unit of speed ​

Answer 1

Answer:

Speed is defined as the displacement of a body per unit time. its unit in SI is m/s. C) Speed is defined as the distance traveled by a body per unit time. its unit in SI is km/s.

Answer 2

Answer:

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Explanation:

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ǫᴜᴇsᴛɪᴏɴ →

ᴅᴇғɪɴᴇ sᴘᴇᴇᴅ ᴀɴᴅ s.ɪ ᴜɴɪᴛ ᴏғ sᴘᴇᴇᴅ

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ᴀɴsᴡᴇʀ →

ᴛʜᴇ sᴘᴇᴇᴅ ᴏғ ᴀɴ ᴏʙᴊᴇᴄᴛ ɪs ʜᴏᴡ ғᴀʀ ᴛʜᴇ ᴏʙᴊᴇᴄᴛ ᴛʀᴀᴠᴇʟs ɪɴ ᴏɴᴇ ᴜɴɪᴛ ᴏғ ᴛɪᴍᴇ. ᴛʜᴇ ғᴏʀᴍᴜʟᴀ ғᴏʀ sᴘᴇᴇᴅ ɪs: sᴘᴇᴇᴅ = ᴅɪsᴛᴀɴᴄᴇ ᴛɪᴍᴇ. ᴛʜᴇ ᴍᴏsᴛ ᴄᴏᴍᴍᴏɴ ᴜɴɪᴛs ᴏғ sᴘᴇᴇᴅ ᴀʀᴇ ᴍᴇᴛʀᴇs ᴘᴇʀ sᴇᴄᴏɴᴅ (ᴍ/s), ᴋɪʟᴏᴍᴇᴛʀᴇs ᴘᴇʀ ʜᴏᴜʀ (ᴋᴍ/ʜ) ᴀɴᴅ ᴍɪʟᴇs ᴘᴇʀ ʜᴏᴜʀ (ᴍᴘʜ)

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ɪ ʜᴏᴘᴇ ɪᴛ ᴡɪʟʟ ʜᴇʟᴘ ʏᴏᴜ ✌