3. Find PE Weight=505 Height: 1000cm

What is the internal energy of 4.00 mol of diatomic nitrogen gas n2 at 455k

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

Anybody wanna ? (picture included? )