A cd player uses a ___ to convert info to an electrical signal

A. Neon light

B. Sodium vapor light

C. Laser

What are two reasons the period of Venus is shorter than the period of earth

A copper wire of length 16 cm is in a magnetic field of 0.19 T. If it has a mass of 9.0 g, what is the minimum current through the wire that would cause a magnetic force equal to its weight?

An insoluble solid material that is produced in double replacement reactions is called

What term describes an atoms tendency to hold o to electrons

A 1.2 m steel rod moves through a uniform magnetic field of 0.020 T at 30 m/s. What emfis induced between the two ends of the steel rod? 0.36 V 0.50 V 0.60 V 0.72 V

Which of these could NOT be used to find the mechanical advantage of an inclined plane? A. input force B. output force C. percent efficiency D. length and height of inclined plane

What are the Rules of magnetism

Two spheres of the same radius, but of different masses, are both fully submerged in water. The lighter sphere is held below the water line by a rope anchored to the bottom of the container. The heavier sphere is suspended from a rope.

How does an increase in thermal energy affect molecules?

Which of the following is an example of applied research?