He originally suggested that galaxies are moving farther away. he also suggested that the distance of a galaxy is proportional to its recessional speed. he is

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

Transfer chemicals from one location to another to weather objects. a-water b-physical weathering c-chemical weathering

Aforce of 100 newtons is used to move an object a distance of 15 meters with a power of 50 watts. find the work dine and the time it takes to do the work