Aɴꜱᴡᴇʀ

☞ 12.5 m/s²

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Gɪᴠᴇɴ

➳ Final velocity (v) = 50m/s

➳ Initial velocity (u) = 0m/s

➳ Distance (s) = 10Km =10000m

➳ Time (t) = 40 seconds

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Tᴏ ꜰɪɴᴅ

➤ The acceleration of the body?

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Sᴛᴇᴘꜱ

❍ We have the initial,the final,the distance and the time , the formula that connects these is,

✭ Substituting the given values,

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Answer:

answer is 1 / 288 m/s2 .

Explanation:

given

s=10Km :-10000m

U =0 as it is starts from rest

t= 40min :- 40×60 =2400s

a=?

s= ut + 1/2at^2

10000 =0×2400+1/2×a×2400×2400

:- a= 10000/2880000

=1/288m/s^2