Marking brainliest please help A 1.2 kg glider soars 40 meters above the ground. Calculate the gliders potential energy

Modify the equation fδt=δ (mv) to find the force of friction.

How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by

What are the necessary conditions for fusion?