Which property makes radio waves most useful for communication? They have low frequencies. They have long wavelengths. They transfer low amounts of energy.

The foot of a ladder is 6m away from a wall. if the top of the ladder rest 8 feet up on the wall, how long is the ladder?

If 12 atoms of hydrogen enter into a chemical reaction how many atoms of hydrogen must come out of the reaction

If the buoyant force is less than an object's weight, the object?

Wh following areas would most likely have the deepest layer of topsoil

A clarinetist, setting out for a performance, grabs his 3.230 kg3.230 kg clarinet case (including the clarinet) from the top of the piano and carries it through the air with an upward force of 30.10 N. 30.10 N. Find the case's vertical acceleration.

In which of the following wave types is the particle motion perpendicular to wave motion? a: longitudinal wave b: p wave c: surface wave d: transverse wave

Convert 1.5 radian into milliradians.

Whats the core of electromagnet made of?

Ultraviolet light emits a total of 2.5 * 10^-17 J of light at a wavelength of 9.8 * 10^-7 m. How many photons does this correspond to?

3. A ray of light incident on one face of an equilateral glass prism is refracted in such a way that it emerges from the opposite surface at an angle of 900 to the normal. Calculate the i. angle of incidence. ii.