If a=8i+j-2k and b=5i-3j+k show that b*a=5i+18j+29k

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

The least penetrating form of radiation is

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?