Question

Calculate the acceleration of a body which starts from rest and travels 87.5m in 5sec?

Answer 1

ʜᴇʟʟᴏ ᴍᴀᴛᴇ

ʜᴇʀᴇ, ᴜ = 0
s = 87.5 ᴍ
ᴛ = 5 s

s = ᴜᴛ + 1/2 (ᴀᴛ² )
87.5 = (0)(5) + 1/2 (ᴀ)(5)²
87.5 = 1/2 × ( 25ᴀ )
87.5 × 2/25 = ᴀ
3.5*2 = ᴀ
7 ᴍ/s² = ᴀ

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