Distinguish mass and weight

The brick wall (of thermal conductivity 1.12 W/m · ◦ C) of a building has dimensions of 2.8 m by 5 m and is 8 cm thick. How much heat flows through the wall in a 16.

Two tuning forks produce sounds of wavelengths of 3.4 meters and 3.3 meters. Given that the speed of sound in air is 340 m/s, approximately what is the beat frequency produced by these two tuning forks?

A forklift does 450 J of work to lift a 150 N hot tub. How high is the hot tub lifted? Round your answer to the nearest whole number.

During which of the following months is the sun likely to illuminate Earth equally from pole to pole? December January June September

What type of earth science would study the ways of predicting earthquakes? Explain you're answer.

You touch a downed power line covered or bare, what's the likely outcome?

A water wave has a wavelength of 204 m and a frequency of 0.5 Hz. How far does it travel in 1 s?

An air-core solenoid consists of 200 turns of wire wound on a form that is 71 cm long and has a inner diameter of 6 cm. A current of 22 A is established in this solenoid.

A thermometer measures its own temperature? What does it mean?

How do you find momentum