Thermal Energy Conceptual
Temperature is a measure of the total [BLANK] energy in an object.
What is Kinetic
In the equation
Q = M * C * ΔT
what does the "C", stand for?
What is, Specific Heat
This type of wave requires NO medium to travel.
What is electromagnetic wave.
The higher the [BLANK] the higher the pitch.
What is Frequency
Known as the father of physics, his 3 fundamental laws define classical physics.
What is, Issac Newton.
The flow of heat is always from [BLANK] to [BLANK]
What is, Hot to Cold.
What is the proper unit for Q, in the thermal energy formula?
What is Joules.
This measures how far the medium moves from the rest position.
What is amplitude
A normal conversation is in what decibel range?
60 dB
How many cats does Mr. Soler have?
What is, 7!
The freezing point of water in Celsius.
What is 0°
A mystery solution of 500g is heated from 5° C to 20° C using 25,125 Joules of energy. With this information find the mystery solutions specific heat.
What is, 3.35 J/g °C.
The area of a longitudinal wave where the medium is spread apart.
What medium do sound waves travel the fastest through? [Phases]
What is, Solids
This law states "An object in motion will stay in motion, and an object at rest will stay at rest"
What is, Law of Inertia.
This type of heat transfer occurs through a fluid medium, involving the movement of the fluid itself.
What is convection
An ice cube of 250g of water needs to be heated until it turns into water vapor.
The ice cube's initial temperature is 0°. Water's specific heat is 4.18 J/g°C.
How much heat in Joules must we add for all the water to evaporate?
What is, 104,500 J
When a wave enters a new medium and bends due to its speed changing.
What is, Refraction.
Two sound waves emit from a sonar on a submarine in the deep ocean. Wave A has a wavelength of 2m. Wave B has a wavelength of 6m.
The speed of wave A must be [BLANK] the speed of wave B.
What is the same as.
What sci-fi horror movie is famous for the phrase
"In space no one can hear your scream".
What is, Alien
Specific Heat C (J/kg*k)
Aluminum 897
Concrete 850
Diamond 50
Glass 840
Helium 5193
Water 4181
These substances are all heated equally, adding 5000 KJ of energy.
Starting temperature for all substances was 20° C.
Which TWO substances do you expect to be closest in temperature after heating?
What is concrete and glass.
A small nuclear reactor uses pools of water to cool down heated radioactive material.
Each pool contains 150 liters of water kept at 10° C.
Radioactive uranium rods with a mass of 25 kg are cooled when they reach 250° C.
Specific Heat of water is 4.18 J/g-C
Specific Heat of uranium is 0.12 J/g-C
When the water reaches a temperature higher than 60° C, the tank is replaced. How many radioactive uranium rods can be cooled before replacing the water?
What is, 55 radioactive uranium rods.
Using the wave-speed formula, calculate the frequency of a wave traveling at 1250 m/s with a wavelength of 17.85m.
What is 70 Hz.
An F-16 jet doing a maximum speed maneuver reaches a speed of 600 m/s. The jets Pratt & Whitney F100 turbofan engines roar at 5000Hz. If the sound waves are traveling at 350 m/s. What is the observed frequency to an observer after the jet flys by. The observer is not moving.
What is 1842 Hz.
What is the name of the inventor of the blue LED ?
What is, Shuji Nakamura