Question:
When you drop a pebble from height H it reaches the ground
Last updated: 5/3/2023
![When you drop a pebble from height H it reaches the ground](https://media.kunduz.com/media/sug-question-candidate/20220506225109970913-4549649.jpg?h=512)
When you drop a pebble from height H it reaches the ground with kinetic energy K if there is no air resistance From what height should you drop it so it will reach the ground with twice as much kinetic energy 16H H 4H O 8H O2H