A7.5 kg block is placed on a table. if it's bottom surface area is 0.6m2, how much pressure does the block exert on the tabletop? a) 367.5 pa b) 122.5 pa c) 226.5 pa d) 73.5 pa

Afeather of mass 0.001 kg falls from a height of 2 m. under realistic conditions, it experiences air resistance. based on what you know about friction, what can you say about the kinetic energy of the feather as it reaches the ground? acceleration due to gravity is g = 9.8 m/s2. a. ke < 0.0196 j b. ke = 00196 j c. je = 0 j d. ke > 0.0196 j