Question

bodyo of mass 2kg is brought from height of 4metre 46 kinetic energy when it hits the ground ​

Answer 1

ʜᴏʟᴀ ᴍᴀᴛᴇ !

$\: \: \: \: \: \: \: \: \: \: \:$

⭐ᴀɴsᴡᴇʀ⭐

Conserving he energy, we get

KEi + PEi = KEf + PEf

⇒490+0=(0.5×490)+mgh

⇒h=(490−245)/(2×9.8)

⇒h=12.5m