What materials make good conductor

What is the wave length of a water wave.

A charge particle 'q' is shot towards another charged particle 'Q' which is fixed, with a speed 'v'. It approaches 'Q' upto a closest distance r and then returns.

You apply a 100N force to a 20kg block. It doesn't move. Why? What is the mass? Draw a free body diagram.

Define the Earth's atmosphere

One object exerts a force of magnitude F1 on another object and experiences a force of magnitude F2 in return. What is true for F1 and F2?

Which best explains the relationship between the speed of sound and the medium through which it passes?

g The magnetic force on a charged particle A. depends on the sign of the charge on the particle. B. depends on the velocity of the particle. C. depends on the magnetic field at the particle's instantaneous position. D.

How fast must a 1000 kg car be moving to have a kinetic energy of 1.0 kWh

Which of the following is used to measure weight? Newtons Liters Kilograms Meters

Intravenous infusions are often made under gravity. At what height should the bottle be placed so the liquid pressure is 700 mm-H2O?