An object of mass m is at rest on a horizontal plane. The angle of inclination of the plane is slowly increased until the object starts to move. The coefficients of static and kinetic friction between the block and the incline are µs and µk

If anyonee has done the momentum lab practical in physics can you give me the answers i am s lostt rnn : (

Which statements did both aristotle and ptolemy assume? check all that apply.

Sally turns on her cellular telephone to speak to her friend who is located thousands of miles away. which of the following best describes how such a telephone is able to transmit and receive information? a. the cellular telephone transmits, receives, and encodes information using only sound waves. b. the cellular telephone transmits, receives, and encodes information using only electromagnetic waves. c. the cellular telephone transmits information by electromagnetic waves to a receiver which then encodes them and produces sound. d. the cellular telephone transmits information by sound waves to a receiver which then encodes them and produces electromagnetic waves.