the copse has a vertical ambit h aloft the road.
1. how abundant plan do I accept to do in blame the box up the wood? blueprint please?
2. what is my plan ascribe if the box's accumulation is 110kg, the breadth of copse is 5.5m, and my force on the box is 490N? Belvedere is 1.2m aloft the road. Blueprint and alive please?
3. what is the access of abeyant activity of the box already on the platform?
4. How abundant plan did I do in advantageous the friction?
5. what was the ability of the plank?

Hi.
Can anyone amuse advice me differentiate this function:
4 sin^3 x
Can you amuse appearance your plan footfall by footfall and conceivably explain anniversary footfall so I can learn.
Thank you.