Question

What is deacceleration?? plz help..

Answer 1

Deaccleration is opposite of acceleration which is also known as retardation.

We can also call it negative acceleration.

It is rate of decrease in velocity in per unit time.

The formula for deaccleration is same as acceleration.

Answer 2

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ᴅᴇᴄᴇʟᴇʀᴀᴛɪᴏɴ ᴄᴀɴ ʙᴇ ᴛʜᴏᴜɢʜᴛ ᴏꜰ ᴀꜱ ᴀᴄᴄᴇʟᴇʀᴀᴛɪᴏɴ ɪɴ ᴛʜᴇ ɴᴇɢᴀᴛɪᴠᴇ ᴅɪʀᴇᴄᴛɪᴏɴ (ɪ.ᴇ. ɴᴇɢᴀᴛɪᴠᴇ ᴀᴄᴄᴇʟᴇʀᴀᴛɪᴏɴ)

ᴅᴇᴄᴇʟᴇʀᴀᴛɪᴏɴ ɪꜱ ᴅᴇᴄᴇᴘᴛɪᴠᴇʟʏ ʀᴇꜰᴇʀʀᴇᴅ ᴛᴏ ᴀꜱ “ꜱʟᴏᴡɪɴɢ ᴅᴏᴡɴ.” ᴡʜᴀᴛ ᴏɴᴇ ᴍᴜꜱᴛ ᴄᴏɴꜱɪᴅᴇʀ ᴡʜᴇɴ ᴀɴꜱᴡᴇʀɪɴɢ ᴛʜɪꜱ Qᴜᴇꜱᴛɪᴏɴ ɪꜱ ᴡʜᴀᴛ ᴅɪʀᴇᴄᴛɪᴏɴ ᴀʀᴇ ʏᴏᴜ ᴄᴀʟʟɪɴɢ ᴘᴏꜱɪᴛɪᴠᴇ ᴏʀ ɴᴇɢᴀᴛɪᴠᴇ? ᴀ ʟɪᴛᴛʟᴇ ᴀɴᴀʟʏꜱɪꜱ ᴀɴᴅ ᴛʜɪɴᴋɪɴɢ ᴡɪʟʟ ʟᴇᴀᴅ ʏᴏᴜ ᴛᴏ ᴛʜᴇ ꜰᴏʟʟᴏᴡɪɴɢ ᴄᴏɴᴄʟᴜꜱɪᴏɴ:

   “ꜱᴘᴇᴇᴅɪɴɢ ᴜᴘ” ᴏʀ “ꜱʟᴏᴡɪɴɢ ᴅᴏᴡɴ” ʀᴇꜰᴇʀꜱ ᴛᴏ ᴛʜᴇ ꜱɪɢɴꜱ ᴏꜰ ʙᴏᴛʜ ᴠᴇʟᴏᴄɪᴛʏ ᴀɴᴅ ᴀᴄᴄᴇʟᴇʀᴀᴛɪᴏɴ

      Δ ɪꜰ ᴛʜᴇʏ ꜱʜᴀʀᴇ ᴛʜᴇ ꜱᴀᴍᴇ ꜱɪɢɴ, ᴡᴇ ɢᴇᴛ ꜱᴘᴇᴇᴅɪɴɢ ᴜᴘ

      Δ ɪꜰ ᴛʜᴇʏ ʜᴀᴠᴇ ᴏᴘᴘᴏꜱɪᴛᴇ ꜱɪɢɴꜱ, ᴡᴇ ɢᴇᴛ ꜱʟᴏᴡɪɴɢ ᴅᴏᴡɴ

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