If your workout exceeds an hour you should substitute for water

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

In a good thermo flask the main cause of heat loss is

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion