A cup of hot chocolate has cooled to the room temperature If

A cup of hot chocolate has cooled to the room temperature. If you were able to observe the molecules of the liquid you would see..
a) that they are moving at the same speed, but in different directions
b) that they were moving randomly
c)that they were no longer moving, having already cooled to the room temperature
d) that they were forming a long chains and changing phase
e) that they were moving up and down and a regular pattern

the three states (or phrases)or matter which we discussed were:
a) solid,liquid,plasma
b) amorphous,liquid,gas
c) solid,liquid,air
d) metal,water,air
e)solid,liquid,gas

A graph of direct current versus time would look like the graph of a transverse wave true or false

the unit breakdown for a vault is Newton\'s / coulomb
joules/Coulomb
joules/second
coulombs/second
kilowatt-hours

why is electricity fundamental dangerous for us in the first place (best answer)
a) our contain Metals which are easily electrified
b)we are made up of protons and electrons on the small-scale
c) our adrenal glands make up the electric infrastructure
D)it can cause iron neutral Pathways to be wide clean and here(amnesia)
e) electricity oftentimes causes intestinal continuity

current is defined as \"the movement of charged ,which of the following charged particles however is most commonly being referred to when we talk about current
a)positron
b)proton
c)alpha particle
d) quark
e)electron

what is the speed of light ____
343 m/s
256 Hz
55 m/s
3 *10^8 m/s
infinite

the radio wave (traveling at the speed of light by its electromagnetic nature )has a frequency of 101 million Hertz what is the wavelength
a)5.0 m
b)45 m
c)0.10 m
d)2.97 m
e)none of these

Ocean waves with a wavelength of 120 meters are coming into or the coast at a rate of 8 per minute what is their speed
a) 8 m/s
b) 15 m/s
c) 16 m/s
d) 30 m/s
e) 1500 m/s

the speed of the sound through AC water is 1500 m/s. if a sound wave is transmitted at a frequency of 10,000 Hz what is its wavelength
a) 5cm
b) 10cm
c) 15cm
d) 20cm
e) 25cm

A radio wave is a type of electromagnetic wave true or false

the louder a sound is, the greater its Decibel rating true or false

Reflection only occurs with a visible light waves bouncing off a shiny surface (like mirrors )no other types of waves experience reflection true or false

Diffraction is the phenomenon that describes have waves bend around the edges of objects true or false

Constructive interference is when two waves meet, experience superposition and result in an overall smaller wave true or false

Solution

1. A cup of hot chocolate has cooled to the room temperature. If you were able to observe the molecules of the liquid you would see:

Removing energy (cooling) atoms and molecules decreases their motion. Hence

c) that they were no longer moving, having already cooled to the room temperature

2. the three states (or phrases)or matter which we discussed were:

e)solid,liquid,gas

3. A graph of direct current versus time would look like the graph of a transverse wave true or false - False

DC or direct current implies it doesnt change with time. Hence the graph would be a straight line.

4. the unit breakdown for a volt is: Joules / coulomb

One joule of work is required to move an electric charge of one coulomb across a potential difference of one volt. Hence - One volt is equial to one joule per coulomb.