Question

u it of time occurs twice inunit of accleration.why?

Answer 1

Here your answer
Because of the time interval change speed than acceleration also changes

Answer 2

ʜᴇʟʟᴏ ᴍᴀᴛᴇ!

ɢᴏᴏᴅ ǫɪᴇsᴛɪᴏɴ ᴀɴᴅ ɪ ᴡɪʟʟ ᴛʀʏ ᴍʏ ʙᴇsᴛ ᴛᴏ ᴀɴsᴡᴇʀ ʏᴏᴜ :-

ʟᴇᴛ ᴛɪᴍᴇ ʙᴇ 2 sᴇᴄᴏɴᴅs
ᴀɴᴅ ᴠᴇʟᴏᴄɪᴛɪᴇs ʙᴇ ᴍ/s
ᴜ = 4 ᴍ/s
ᴠ = 24 ᴍ/s

ᴀ{ ᴀᴄᴄᴇʟᴇʀᴀᴛɪᴏɴ } = ( ᴠ - ᴜ )/ᴛ

$a = \frac{(24 - 4)}{2s} \times \frac{m}{s} \\ a = \frac{20m}{2 {s}^{2} } = 10 \frac{m}{ {s}^{2} } \: \: or$


10 ᴍ/s²

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