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Homework Problems Physics 131: Section 6

Page history last edited by Joe Redish 4 years, 4 months ago

NEXUS/Physics > InstructorsHomePage > The Problem Collection  > Homework Problems Physics 131

 

Homework Problems:


Interpretation of Problem Classification Icons

 

 

 

6. Energy: The quantity of motion

6.1 Kinetic energy and the work-energy theorem

Problem name  Type  Features  Threads  Use 
1. Hybridizing your car {*}

     
2. Pushing a block        
3. Energy and enthalpy
 
4. Sticky carts {*}
     
5. Fan carts P&E {*}    
6. Work-energy, impulse-momentum, and N2 {*}    
7. Testing the theorems {*}        
8. Sliding down a ramp {*}        
9. Kinesin moving a cargo {*}        
         

6.2 Energy of place -- potential energy 

Problem name  Type  Features  Threads  Use 
         
         
         
         

6.2.1 Gravitational potential energy

Problem name  Type  Features  Threads  Use 
1. Energy skate-park 1 {*}
         
 
   
   
         
         

6.2.2 Spring potential energy

Problem name  Type  Features  Threads  Use 
1. Protein unfolding in the optical tweezer         
 2. Springy cart on a track {*}
       
 
       
 
       
 
       
 
       

6.2.3 Electric potential energy

Problem name  Type  Features  Threads  Use 
1. Electric PE Problems {*}    
2. The water-coat potential {*}            
3. Charges, fields, and potentials {*}    
4. Potential energy of charges {*}        
5. Rolling down the electric hill {*}
       
6. Potential energy of charge clusters {*}      
7. PE near a pair of dipoles {*}
       

6.3 Conservation of mechanical energy

Problem name  Type  Features  Threads  Use 
1. Energy skate-park 2
         
2. The bulldog on the skateboard {*}
     
3. The dipped track
       
4. The bungee jumper {*}
       
5. What's conserved? {*}
      
6. The perfect bouncer {*}
     
7. A superelastic collision {*}
       

8. Launching a block up a ramp (qualitative) {*}

   
8a. Launching a block up a ramp - 2 (symbols) {*}        
8b. Launching a block up a ramp - 3 (numbers) {*}        
9. The train, the hill, and the bumper {*}    

10. Skateboarder energy graphs {*}    

 

11. Launching a ball with a spring {*}        
12. Child on a trampoline {*}        
13. Energy loss in flow (also 5.2.6.P9)        
14. Mechanical energy conservation in subsystems         
         
         
         
         

6.4. Chemical energy

Problem name  Type  Features  Threads  Use 
1. Muscle contraction {*}
      
2. A biologist, a physicist, and a chemist...
        
3. The Gauss gun {*}

 
4. Bound states {*}  
5. Going to a deeper well {*}
 

 

6. Thermal to chemical energy transfer   
7. Potential energy analogs for chemical reactions

8. A molecular collision 
     
9. Two atom bound state {*}
     
10. Chemical reaction toy model
 

11. Molecular collisions 3 

 
 
12. Gauss gun energy bar representation {*}     
13. Chemical bonds   
14. Getting energy from ATP 



 
15. Energy in photosynthesis - a toy model  {*}  
 
16. Capture by photon emission {*}     
17. Structure of the Lennard-Jones potential       
18. Energy in photosynthesis - light and dark reactions {*}  
   
19. The Devil in the dark       
20. Burning hydrogen {*}        
21. Exothermic reactions: Macroscopic and nanoscopic {*}
       
22. Boiling hydrogen bonds {*}
      
23. An electron in a molecule {*}        
24. Melting ice {*}         
         
         

 

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