Recent content by bochai

Pleas help me with this exercises(this is not a homework): Determine whether the points lie on a straight line. a) A(5,1,3), B(7,9,-1), C(1,-15,11) b) K(0,3,-4) L(1,2,-2), M(3,0,1) Should I draw the graph, then find the slopes? Or is there any other way to approach? Pleas help...

I think the penny will leave after the system passes the equilibrant point, when the sping gaives the block a downward acceleration which is greater than the acceleration of the penny due to the gravity. I don't know if it is right, please help.

Some one please help me with part B. (Simple Harmonic Motion) Online waiting! Simple Harmonic Motion A block of mass M = 10 kg is hanging, at rest, from a spring with a force constant of 250 N/m. There is also a very small penny sitting on top of the block. (Note: The penny is not stuck to the...

Simple Harmonic Motion A block of mass M = 10 kg is hanging, at rest, from a spring with a force constant of 250 N/m. There is also a very small penny sitting on top of the block. (Note: The penny is not stuck to the block and can leave the surface of the block.) The block is now pulled down...