Help Plz ASAP Tom lifts a carton of mass 4 exerting a force of 60 upward. What is the acceleration of the carton after 4 seconds? Is the acceleration constant during these 4 seconds? What is the velocity of the carton at the end of the 4 seconds?

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?

What does si stand for, when referring to a system of measurement

Asmall grinding wheel has a moment of inertia of 4.0×10−5 kg⋅m2 . what net torque must be applied to the wheel for its angular acceleration to be 150 rad/s2 ?