Show:
Conservation of Energy
Momentum
Heat and collisions
Thermodynamics concepts
Wave concepts
100
What is the GPE of a ball that weights 6kg and is dropped from a height of 12 meters?
705.6 j
100
If a runner is running at a velocity of 6m/s with a mass of 125kg what is its momentum?
momentum=750
100
What is the definition of Entropy?
Disorder of moleclues over time
100
Is a sound wave longitudinal or transverse wave?
longitudinal wave
200
If a 3kg ball was dropped from a height of 6 meters what is KE?
176.4
200
When I walked my 120kg boxer she ran at a velocity of 6m/s what was her momentum?
momentum=720
200
When the heat rises to a higher surface is it radiation,conduction or convection?
convection
200
Is a clean room to a messy room an example of Entropy?
no because entropy has to do with moleclues
200
If my washer puts 15H of energy and gets a total of 5H of work how much energy was lost?
10H
300
If a 7kg running cat was running at a velocity of 3m/s what was its momentum?
momentum=21
300
The sun is hitting your skin is that conduction, radiation or convection?
Radiation
300
If you leave a cup of ice tea is that an example of Entropy?
yes because the molecules go from solid to liquid to gas
300
How many waves are in the electromagnetic spectrum?
7
400
If a 5kg bird starts to fly at a velocity of 2kg/s what is its GPE?
10 j
400
If a 15kg branch fell at a velocity of 20m/s what was its momentum?
momentum=140300
400
If a 500kg train that is traveling at a velocity of 6m/s collides with a 100kg train that is at rest, what is the velocity of the two trains together?
2400m/s
400
What stage of a molecule does entropy explain?
the satage of gas
400
Are the waves in the electromagnetic spectrum transverse or longitudinal waves?
Transverse waves
500
If my mom picks up my 5kg notebook off the floor to a height of 10meters what is the GPE pf my notebook?
490 Jouls
500
If a 250kg elephant fell off a cliff at a velocity of 30m/s what is its momentum?
momentum=7500
500
if a 7kgmouse crashes into a 3kg marble at rest with a velocity of 5m/s what is the final velocity?
25m/s
500
How do you know if it is an example of entropy?
the molecules show a disorder
500
Name all the wave in the electromagnetic spectrum?
Radio wave, microwaves,infrared,visible light, ultraviolet,x-rays and gamma rays