A radio transfers 270 J of energy electrically, 94.5 J is transferred by sound. Work out the efficiency of this radio. Give your answer as a decimal.

How are all mobile phones different from fixed telephones in the way that they transmit and receive voice messages?

Is paper being socked in water a physical or chemical change

The student concluded that the current in the LDR is inversely proportional to the potential difference across the LDR. Explain why the student's conclusion is incorrect.

How atomic number relates to the number of particles in an atom's nucleus

An example of something that is biodegradable is a leaf in a compost pile. a. True b. False

An object is placed in a fluid and then released. Assume that the object either floats to the surface (settling so that the object is partly above and partly below the fluid surface) or sinks to the bottom.

Explain why it is important to have strong core muscles?

Potential energy is the energy an object has because of its A. density. B. size. C. location. D. speed. E. temperature.

How is this career a good fit for you or an individual who would work in this field

The Architecture and Construction career cluster is a group of careers focused on designing, constructing, and maintaining buildings and other structures. assembly of buildings and structures. designing and planning buildings.