6. A and B are two cement pillars have same mass 1000 kg as shown in figure. Which one produce more pressure on the ground? Calculate. Ans: A= 83.33Pa; B = 166.66Pa] 2m B A 3m 3m please show step by step in copy

The functioning of an electron transport chain is analogous to a) a slinky toy going down a flight of stairs. b) a canoe going over a waterfall. c) a person climbing a flight of stairs one step at a time. d) a person leaping from the top to the bottom of a flight of stairs in one jump.

A-4.60 μc charge is moving at a constant speed of 6.80×105 m/s in the +x−direction relative to a reference frame. at the instant when the point charge is at the origin, what is the magnetic-field vector it produces at the following points.

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves