Prove the law of conservation of energy is not violated at a height of 10m, 5m and just before touching the surface of the water body .
Hints: To use the formula v2-u2=2gh . [g=10m/s2] Mass of the diver is 75kg.
It's urgent please
Answers
Answered by
3
ᴍᴀss ᴏғ ᴛʜᴇ ʙᴏᴅʏ = 10 ᴋɢ.
ʜᴇɪɢʜᴛ = 10 ᴍ.
ᴀᴄᴄᴇʟᴇʀᴀᴛɪᴏɴ ᴅᴜᴇ ᴛᴏ ɢʀᴀᴠɪᴛʏ = 9.8 ᴍ/s².
ᴜsɪɴɢ ᴛʜᴇ ғᴏʀᴍᴜʟᴀ,ᴘᴏᴛᴇɴᴛɪᴀʟ ᴇɴᴇʀɢʏ = ᴍɢʜ
= 10 × 9.8 × 10 = 980 ᴊ.
Similar questions