A 14 kg tricycle slides down a 6.2 m ramp that makes an angle of 22° with the ground. What is the change in GPE of the tricycle?

Anne applies a force on a toy car and makes it move forward. what can be said about the forces acting on the toy car at the moment anne applies the force?

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?

Which notation is used to represent an alpha particle? a. b. c. d.