Question:
An object of mass 4 kg falls from rest through a vertical
Last updated: 6/12/2023
![An object of mass 4 kg falls from rest through a vertical](https://media.kunduz.com/media/sug-question-candidate/20210919045949843567-1964865.jpg?h=512)
An object of mass 4 kg falls from rest through a vertical distance of 10 m and reaches ground with a speed of 14 m s How much work is done against air friction in joules g 10 m s