A block of mass m = 5.8 kg is pulled up 37 incline as in Figure with a force of magnitude F = 32 N.
(a) Draw a free-body diagram.
(b) Find the acceleration of the block if the coefficient of
kinetic friction between the block and incline is 0.1.

Aparticle of mass m is placed in a one-dimensional box of length l. the box is so small that the particle’s motion is relativistic, so that e p2/2m is not valid. (a) derive an expression for the energy levels of the particle using the relativistic energy–momentum relation and the quantization of momentum that derives from connement. (b) if the particle is an electron in a box of length l 1.00 1012 m, nd its lowest possible kinetic energy. by what percent is the nonrelativistic formula for the energy in error?