Which of the following is a difference between sound and light?

1. Humans can only detect light, not sound

2. Only light travels as a wave

3. Sound travels faster than light

4. Only light can travel through space, not sound

What should you keep in mind when selecting a ball hitch and coupler for towing your boat?

The acceleration of a particle along a straight line is defined by a = (2t-9m/s2 where t is in seconds. when t=9 determine the particle position distance velocity

Is mud a solid or a liquid? How about pudding?

Explain the difference in reactivity of the elements based on their electron configurations.

An electron is pushed into an electric field where it acquires a 1-v electrical potential. suppose instead that two electrons are pushed the same distance into the same electric field. what is the electrical potential of one of the electrons now?

the line on the position time graph show the velocites of different vehicles which line represents a vehicle moving at constant velocity

Cómo se visualizan las moléculas en la ciencia y por qué necesitamos una representación visual

How many neutrons are present in an atom of iron-54? A) 26 B) 28 C) 30 D) 54

Sound waves are mechanical waves in which the particles in the medium vibrate ina direction parrallel to the direction of energy transport. What is another name of the type of wave that transfers energy in this way?

A sound from a source has an intensity of 270 db when it is 1 m from the source. what is the intensity of the sound when it is 3 m from the source?