Plz help.

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

Determine the maximum r-value of the polar equation r =3+3 cos 0

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves