Question

1. A man of mass 70 kg jumps to a height of 1.2 m. What will be his potential energy at the highest point (g = 10 m/s2)

Answer 1

Explanation:

mgh = 70(10)(1.2) = 840 joule

Answer 2

Answer:

▀▄▀▄ᴘᴏᴛᴇɴᴛɪᴀʟ ᴇɴᴇʀɢʏ =840 ▄▀▄▀

Explanation:

ᴍᴀss = 70ᴋɢ

ʜᴇɪɢʜᴛ =1.2m

ɢ = 10ᴍ/s²

ᴘᴏᴛᴇɴᴛɪᴀʟ ᴇɴᴇʀɢʏ = ᴍɢʜ

ᴘᴏᴛᴇɴᴛɪᴀʟ ᴇɴᴇʀɢʏ = 70×1.2×10

ᴘᴏᴛᴇɴᴛɪᴀʟ ᴇɴᴇʀɢʏ =840