Cord Tie

multiple choice, what's the answer?

A woman performs a 'bungee jump', falling from a bridge with a length of elastic cord tied around her ankles. The gravitational potential energy of lost by the jumper at the lowest point has been transferred as:
A elastic strain energy in the cord.
B elastic strain energy and internal energy in the cord
C kinetic energy of the jumper OR
D kinetic energy of the jumper plus internal energy in the cord.

With reasons please. Thanks a lot.

Like all multiple choice you have to read carefully. The key bit is "at the lowest point".

At the lowest point the jumper has no velocity as their velocity is right at the point between going down and going up. So they have no kinetic energy. This rules out C and D.

Most of the energy will be transfered to the strain energy is the cord so it is A or B. However the transfer is not perfect and there will also be heat generated. Not sure what is meant by "internal energy in the cord" I would argue this includes heat in the cord. On that basis I would go with answer "B".

Discover Cord Tie On eBay Below:

30 White NYLON CABLE TIES 11 inch long x 1 8 cord wire ZIP TIE 40 lb pound
30 White NYLON CABLE TIES 11 inch long x 1 8 cord wire ZIP TIE 40 lb pound
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1224 HEAVY DUTY ORANGE HOOK BUNGEE CORD TIE DOWN STRAP 12 PC SET
1224 HEAVY DUTY ORANGE HOOK BUNGEE CORD TIE DOWN STRAP 12 PC SET
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SE BC6B 6 Ball Bungee Cord Canopy Tarp Tie Down Strap
SE BC6B 6 Ball Bungee Cord Canopy Tarp Tie Down Strap
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60 Nylon CABLE TIES White 7 1 2 x 3 16 60 lb Test zip cord wire Wraps 75
60 Nylon CABLE TIES White 7 1 2 x 3 16 60 lb Test zip cord wire Wraps 75
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CABLE CLAMPS reusable adjustable cords organizer wires computer audio DJ ties
CABLE CLAMPS reusable adjustable cords organizer wires computer audio DJ ties
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380 Pcs 4mm x 200mm Nylon Cable Wire Cord Zip Ties Straps Yellow
380 Pcs 4mm x 200mm Nylon Cable Wire Cord Zip Ties Straps Yellow
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100 PACK CLEAR NATURAL 4 CABLE ZIP TIE WIRE CORD NETWORK MANAGEMENT NYLON 18LBS
100 PACK CLEAR NATURAL 4 CABLE ZIP TIE WIRE CORD NETWORK MANAGEMENT NYLON 18LBS
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100 PACK Nylon Cable Zip Tie 11 inch 50LBS Black Wire Cord Electrical 1 BAG NEW
100 PACK Nylon Cable Zip Tie 11 inch 50LBS Black Wire Cord Electrical 1 BAG NEW
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USA 100 x 3 8 BLACK SHOCK CORD BUNGEE f BOAT TARPS FLATBED TRUCK TARP TIE DOWN
USA 100 x 3 8 BLACK SHOCK CORD BUNGEE f BOAT TARPS FLATBED TRUCK TARP TIE DOWN
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USA 300 3 8 BOAT TARP TIE DOWN SAILING MARINE SHOCK CORD BUNGEE CORD STRAPS
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500 Pack PCS 8 inch Network Cable Cord Wire BLACK Tie Strap 40 Lbs Zip Nylon
500 Pack PCS 8 inch Network Cable Cord Wire BLACK Tie Strap 40 Lbs Zip Nylon
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100pcs Black 20cm Network Nylon Plastic Cable Wire Zip Tie Cord Strap Wrap Strap
100pcs Black 20cm Network Nylon Plastic Cable Wire Zip Tie Cord Strap Wrap Strap
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100x Self adhesive Cord Wire Tie Cable Mount Holder Clamp Clip For Car DVR GPS
100x Self adhesive Cord Wire Tie Cable Mount Holder Clamp Clip For Car DVR GPS
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100Pcs car Self adhesive Wire Tie Cable Mount Clamp Clip Cord
100Pcs car Self adhesive Wire Tie Cable Mount Clamp Clip Cord
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1000 PCS 5 inch Network Cable Cord Wire Tie Strap FREE SHIPPING
1000 PCS 5 inch Network Cable Cord Wire Tie Strap FREE SHIPPING
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8 Cable Tie 100 Per Bag Nature Color Cable Zip Wire Tie Cord Wrap
8 Cable Tie 100 Per Bag Nature Color Cable Zip Wire Tie Cord Wrap
$4.40
4 Cable Tie 100 Per Bag Nature Color Cable Zip Wire Tie Cord Wrap
4 Cable Tie 100 Per Bag Nature Color Cable Zip Wire Tie Cord Wrap
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11 Cable Tie 100 Per Bag UV Black Cable Zip Wire Tie Cord Wrap
11 Cable Tie 100 Per Bag UV Black Cable Zip Wire Tie Cord Wrap
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Stanley 11 Cable Tie 100 Per Pack UV Black Cable Zip Wire Tie Cord Wrap
Stanley 11 Cable Tie 100 Per Pack UV Black Cable Zip Wire Tie Cord Wrap
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15 Cable Tie 500 Per Bag Nature Color Made In USA Cable Zip Wire Tie Cord Wrap
15 Cable Tie 500 Per Bag Nature Color Made In USA Cable Zip Wire Tie Cord Wrap
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100 pcs 4 inch Black Nylon Cable Wire Zip Ties Cord 100mm x 3 mm 1 pack
100 pcs 4 inch Black Nylon Cable Wire Zip Ties Cord 100mm x 3 mm 1 pack
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100pc Ball Bungee Cords 6 long Ball Tie Downs white
100pc Ball Bungee Cords 6 long Ball Tie Downs white
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Black Pack of 100pcs 77 77 inch Network Cable Wire Tie Strap Zip Nylon Cord
Black Pack of 100pcs 77 77 inch Network Cable Wire Tie Strap Zip Nylon Cord
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100 PCS WHITE Pack 7 inch Network Cable Cord Wire Tie Strap 50 Lb Zip Nylon USA
100 PCS WHITE Pack 7 inch Network Cable Cord Wire Tie Strap 50 Lb Zip Nylon USA
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50 Pcs 8 x 200mm Plastic Power Cable Wire Cord Zip Ties Straps White
50 Pcs 8 x 200mm Plastic Power Cable Wire Cord Zip Ties Straps White
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500pcs 8 inch White Network Cable Cord Wire Strap Zip Tie Nylon 35200mm New
500pcs 8 inch White Network Cable Cord Wire Strap Zip Tie Nylon 35200mm New
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250pcs Pack durable White Network Cable Cord Wire Strap Zip Tie Nylon 51250mm
250pcs Pack durable White Network Cable Cord Wire Strap Zip Tie Nylon 51250mm
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250X 8 inch White Network Cable Cord Wire Strap Zip Tie Nylon 51200mm durable
250X 8 inch White Network Cable Cord Wire Strap Zip Tie Nylon 51200mm durable
$15.99
250x Pack durable White Network Cable Cord Wire Strap Zip Tie Nylon 52400mm
250x Pack durable White Network Cable Cord Wire Strap Zip Tie Nylon 52400mm
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500pcs 10 inch White Network Cable Cord Wire Strap Zip Tie Nylon 27250mm
500pcs 10 inch White Network Cable Cord Wire Strap Zip Tie Nylon 27250mm
$16.20
250pcs Pack 12 inch White Network Cable Cord Wire Strap Zip Tie Nylon 51300mm
250pcs Pack 12 inch White Network Cable Cord Wire Strap Zip Tie Nylon 51300mm
$20.99
250pcs Pack 10 inch White Network Cable Cord Wire Strap Zip Tie Nylon 35250mm
250pcs Pack 10 inch White Network Cable Cord Wire Strap Zip Tie Nylon 35250mm
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White Pack of 100PCS 116 Network Cable Wire Tie Strap Zip Nylon Cord Kit
White Pack of 100PCS 116 Network Cable Wire Tie Strap Zip Nylon Cord Kit
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250X Pack White Network Cable Cord Wire Strap Zip Tie Nylon 35350mm durable
250X Pack White Network Cable Cord Wire Strap Zip Tie Nylon 35350mm durable
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500pcs 8 inch White Network Cable Cord Wire Strap Zip Tie Nylon 27200mm
500pcs 8 inch White Network Cable Cord Wire Strap Zip Tie Nylon 27200mm
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250pcs Pack White Network Cable Cord Wire Strap Zip Tie Nylon 5450mm durable
250pcs Pack White Network Cable Cord Wire Strap Zip Tie Nylon 5450mm durable
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100pcs 25100mm Label tie Network Cable Cord Wire Strap Zip Nylon Hot
100pcs 25100mm Label tie Network Cable Cord Wire Strap Zip Nylon Hot
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500pcs 8 White Network Cable Cord Wire Strap Zip Tie Nylon 35200mm New Hot
500pcs 8 White Network Cable Cord Wire Strap Zip Tie Nylon 35200mm New Hot
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New 100 PCS Pack 12 inch White Network Cable Cord Wire Tie Strap Zip Nylon OZ
New 100 PCS Pack 12 inch White Network Cable Cord Wire Tie Strap Zip Nylon OZ
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