3. you toss a ball at an angle 45° above the

horizontal. after the ball leaves your hands, its

motion can be described in terms of displacement,

velocity, and acceleration. for each item, is the

quantity constant, changing linearly, or changing

nonlinearly during consecutive time intervals?

displacement

velocity

acceleration

displacement

velocity

acceleration

Which of the following changes will result in a stronger electromagnet? a. using fewer coils of wire b. using a higher voltage c. using a shorter nail d. using a longer wire

Which is an example of an exothermic process?

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?