A 40 Newton object is released from a height of 10 meter just before it hits the ground its kinetic energy in joule is
Answers
Answered by
28
just before touching the ground all the potential energy from the height 10m will be changed into kinetic energy as total energy remains constant
therefore,
potential energy in the above case= kinetic energy before touching the ground
kinetic energy=mass×accelaration due to gravity×height
kinetic energy=40×9.8×10=400×9.8
=3920joules
therefore,
potential energy in the above case= kinetic energy before touching the ground
kinetic energy=mass×accelaration due to gravity×height
kinetic energy=40×9.8×10=400×9.8
=3920joules
Similar questions