Abird flies 2km to the south, then 0.2km to the north. what is the displacement of the bird ?

a. 0.2km south
b. 2.2km
c. 1.8km
d. 1.8km south

Which of the following represents a virtual image?

Identify the type of synthetic material used in each object

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