Question

) What is kinetic energy and derive an expression to

calculate kinetic energy of a body?​

Answer 1

W=(1/2)mV2. we know that the kinetic energy of a body moving with a certain velocity is equal to work done on the object to acquire that velocity from rest. ∴K. E=1/2mV2.

Answer 2

ᴇɴᴇʀɢy ᴡʜɪᴄʜ ᴀ ʙᴏᴅy ᴩᴏꜱꜱᴇꜱꜱᴇꜱ ʙy ᴠɪʀᴛᴜᴇ ᴏꜰ ʙᴇɪɴɢ ɪɴ ᴍᴏᴛɪᴏɴ.