GIVING BRAINLIEST PLEASE HELP!! -if you answer correctly ill give you brainliest which will give you 23pts-

The sun generates both mechanical and electromagnetic waves. which statement about those wave is true?

True or false: the revolution of the earth creates day and night as it rotates around the sun

Ablock of mass 1.5 kg slides down an inclined plane that has an angle of 15. if the inclined plane has no friction and the block starts at a height of 3 m, how much kinetic energy does the block have when it reaches the bottom? acceleration due to gravity is g = 9.8 m/s2. a. 6.8 j b. 50.9 j c. 0 j d. 44.1 j