Thea thin rod of cross section a extends along the x-axis from x = 0 to x = l polarization of the rod is along its length and is given by p z =ax^ 2 +b . a) calculate rho rho v and o 2 at each end. b) show explicitly that the total bound charge vanishes in this case.

Aman does 500 j of work pushing a car a distance of 2 m. how much force does he apply? assume there is no friction. a. 250 n b. 1000 n c. 125 n d. 500 n

How are momentum and impulse related? impulse is a whim to do something, while momentum keeps it going impulse is another name fore instantaneous momentum the impulse acting on and object is equal to the change of momentum it causes. the impulse that acts on and object is the momentum that results.

Carbon-14 is a radioactive element that undergoes beta decay. which force is responsible for allowing carbon-14 to become stable? electromagnetic gravitational weak nuclear strong nuclear