Timmy the angry teen twirls a dead rat (mass = 2 kg) attached to a rusty chain (length=1m) in a vertical circle. With what velocity should Timmy rotate the rodent so that the chain just goes slack (no force in the chain) at the top?

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f

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?

Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius