1. ) –4. 00 µC charge lies 20. 0 cm to the right of a 2. 00 µC charge on the x-axis. What is the force on the 2. 00 µC charge? Show solution

Abearing is designed to a reduce friction b. support a load c.guide moving parts such as wheels, shafts and pivots d. all of the above

The vapour pressure of benzene is 53.3 kpa at 60.6 °c, but it fell to 51.5 kpa when 19.0 g of a non-volatile organic compound was dissolved in 500 g of benzene. calculate the molar mass of the compound.

Use 4 to 5 complete sentences, explain the concepts of beats and how beats are produces.