The diagram below shows a block connected to a spring oscillating in simple harmonic motion. At (a), the block is at its maximum displacement. What types of energy does the block-spring system have at (a)?

Any color picture tube and electric field exerts a net force of magnitude 1.68x 10^-13 n on an electron the rest mass of an electron is 9.11 x 10^-13 what is the electron acceleration?

Light that is polarized along the vertical direction is incident on a sheet of polarizing material. only 96% of the intensity of the light passes through the sheet and strikes a second sheet of polarizing material. no light passes through the second sheet. what angle does the transmission axis of the second sheet make with the vertical?

Can anyone plz answer any of these. even if its one it will