The image below shows four boxes that each contain a different sample of gas. The atoms of each gas are represented by dots, 1 2 3 4 Which box contains the gas with the greatest density? A. 1
B. 2
C. 3
D. 4

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant

A2.0 μf capacitor and a 4.0 μf capacitor are connected in series across a 0.827-kv potential. the charged capacitors are then disconnected from the source and connected to each other with terminals of like sign together. find the voltage across each capacitor.

What is the coefficient of kinetic friction μk between the block and the tabletop?