Recent content by KneelsBoar

I attempted to draw one, but I wasn't sure how to do so or how that would help in this case.

Homework Statement "A stream of sand moving at 4 m/s is directed horizontally eat against a wall at a rate of 120 kg per minute. If the sand falls vertically downward after impact, find the horizontal force exerted by the wall on the sand, and the horizontal force exerted by the sand on the...

Homework Statement [/B] A man weighing 980 N slides down a rope that can support a weight of only 755 N. a) How is this possible? b) What is the least acceleration he can have without breaking the rope? c) What will his minimum speed be after sliding down 8.0 m? Homework Equations Not...

Hello, I'm currently writing a report on young's double slit experiment, and I've used the equation nλ/d = x/L and I was wondering if someone could explain the question? I know how it works, and how to solve for lambda, but could I have some more detail into why it works? For example, why can...