Looking for there are 3 identical springs hanging from the ceiling. Nothing is attached to the first spring. A 4.6 N block hangs from the second spring and stretches it 15cm. A block of unknown weight stretches the third string 30cm. Determine the weight?

Grid List

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ZappAds Sale

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Owner

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Distribuie

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Canon EF 70-200mm f2.8 L IS II USM

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Two lamps

Owner

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Distribuie

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CANON EF-S 10-18MM LENS

Owner

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£100

Distribuie

Direct Sale

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Auction

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Owner

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£750

Distribuie

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Floor lamp

Owner

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£10

Distribuie

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Owner

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£15

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tripod lamp freestanding

Owner

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£20

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£18

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£18

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Nanny with great behaviour experience in Harpenden - SEN role - START NOW

Owner

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£18

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Auction

Nanny with great behaviour experience in Harpenden - SEN role - START NOW

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£18

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Nanny with great behaviour experience in Harpenden - SEN role - START NOW

Owner

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£18

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Owner

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£5

Distribuie

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Owner

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£20

Distribuie

Auction

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Owner

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£48

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Owner

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Owner

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£140

Distribuie

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Owner

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£150

Distribuie

Auction

Truma Ultraflow water Pump

Owner

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£10

Distribuie

Auction

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Owner

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£2020

Distribuie

Auction

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Owner

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£2070

Distribuie

Auction

BRAND NEW 8,4ft X 5ft TWIN AXLE FLAT BORO TRAILER 750KG

Owner

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£1800

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Owner

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£15

Distribuie

Auction

Great private plate DUK33S

Owner

Bailleston 13.11.2025

£3500

Distribuie

Auction

Ifor Williams 10x5

Owner

Aberdeen 13.11.2025

£900

Distribuie

Auction

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Owner

Abbots Langley 13.11.2025

£18

Distribuie

Auction

Dometic Rally Air Pro 330S 2021 Caravan Awning with Awning Carpet

Owner

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£450

Distribuie

Auction

2 bedroom house in Silver Sands Holiday Park , Helston Cornwall, South West

Owner

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£62995

Distribuie

Auction

Threading die holder

Owner

Aberdeen 13.11.2025

£30

Distribuie

Auction

New Industrial Workshop / Creative Studio for Lease - Ideal for Entrepreneurs and Small Businesses

Owner

Barking and Dagenham 13.11.2025

£890

Distribuie

Auction

Floral Top

Owner

Brislington 13.11.2025

£5

Distribuie

Direct Sale

RR Sport SVR. 65 plate with 74k miles

Autobrokersuk

Darlington 13.11.2025

£26500

Distribuie

Auction

3 Bedroom Maisonette, 2nd Floor - Granby Street, Devonport, Plymouth, PL1 4BL

Owner

Appledore 13.11.2025

£125

Distribuie

Auction

2010 10 TRIUMPH SPEEDMASTER 865 BUY ONLINE 24 HOURS A DAY

Owner

Belper 13.11.2025

£3984

Distribuie

Auction

2017 Lunar Clubman SI Used Caravan

Owner

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£16995

Distribuie

Auction

Metz Mecablitz 76 MZ-5 digital flashgun

Owner

Aberdeen 13.11.2025

£180

Distribuie

Auction

Carnaby Oakdale STUNNING HOLIDAY HOME @ Middlemuir Heights Ayrshire

Owner

Aberdeen 13.11.2025

£26950

Distribuie

Auction

Hydrating Lip Maximizer

Owner

London 13.11.2025

£12

Distribuie

Auction

Office Draws

Owner

Ashington 13.11.2025

£10

Distribuie

Auction

13 executive office chairs £40 each or £250 +vat

Owner

Belfast 13.11.2025

£40

Distribuie

Direct Sale

ROMA RECLINER SOFA WITH VERY LOW HIGH QUALITY WITH FREE HOME DELIVERY

Owner

Oldham 13.11.2025

£68

Distribuie

Auction

24 luxury toilet rolls £7.50 free delivery Southport area

Owner

Aberdeen 13.11.2025

£8

Distribuie

Auction

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Owner

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£100

Distribuie

Auction

Single Room to Rent on Foresters Drive, Wallington SM6. Only for Indian peoples.

Owner

Barking and Dagenham 13.11.2025

£500

Distribuie

Direct Sale

ROMA RECLINER SOFA WITH VERY LOW HIGH QUALITY WITH FREE HOME DELIVERY

Owner

Hartlepool 13.11.2025

£700

Distribuie

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BEAUTIFUL LARGE DOUBLE ROOM TO RENT FOR SINGLE PROFESSIONAL IN HOUNSLOW EAST

£750 Distribuie Salveaza

PRESIDENT HIMALAYA CB / AMATEUR HOME BASE ANTENNA

£150 Distribuie Salveaza

Palit RTX3090 GamingPro 24GB GDDR6X RRP£1450!

£600 Distribuie Salveaza

Motorbike helmet

£35 Distribuie Salveaza

Tractor front loader slewtic 5ft dung graipe muck fork euro 3 quickie

£420 Distribuie Salveaza

Climbing Frame

£500 Distribuie Salveaza

Canon EF 70-200mm f2.8 L IS II USM

£650 Distribuie Salveaza

Two lamps

£5 Distribuie Salveaza

CANON EF-S 10-18MM LENS

£100 Distribuie Salveaza

Brand New Corner 4 Seater L-Shaped Plush Velvet Dylan Sofas For Sale Free Home Delivery Cash On Delivery !!

£350 Distribuie Salveaza

Double Room to Rent in Warbank Crescent, Croydon CR0. For males only.

£750 Distribuie Salveaza

Floor lamp

£10 Distribuie Salveaza

Ivory coloured metal tripod table lamp

£15 Distribuie Salveaza

tripod lamp freestanding

£20 Distribuie Salveaza

VW Polo 1.2 Tdi Match 5 door Hatchback

£3950 Distribuie Salveaza

2024 New season sale on at lyons robin hood

£5000 Distribuie Salveaza

205 65 16 Wheel and Tyre 5 Stud - Vauxhall Vivaro Traffic Primastar Mo

£25 Distribuie Salveaza

2013 13 KAWASAKI VERSYS 650 BUY ONLINE 24 HOURS A DAY

£3584 Distribuie Salveaza

Ralph Lauren polo jumper 100%cotton

£25 Distribuie Salveaza

2020 70 FORD TRANSIT 2.0 350 ECOBLUE LEADER FWD L3 H2 EURO 6 (S/S) 5DR BLUETOOTH

£16500 Distribuie Salveaza

Bk15 First Throttle electric bike with Padel assist, available in low budget, Cash on delivery possible

£700 Distribuie Salveaza

Nanny with great behaviour experience in Harpenden - SEN role - START NOW

£18 Distribuie Salveaza

Nanny with great behaviour experience in Harpenden - SEN role - START NOW

£18 Distribuie Salveaza

Nanny with great behaviour experience in Harpenden - SEN role - START NOW

£18 Distribuie Salveaza

Nanny with great behaviour experience in Harpenden - SEN role - START NOW

£18 Distribuie Salveaza

Nanny with great behaviour experience in Harpenden - SEN role - START NOW

£18 Distribuie Salveaza

Nanny with great behaviour experience in Harpenden - SEN role - START NOW

£18 Distribuie Salveaza

HP 920XL Printer Inks NEW

£5 Distribuie Salveaza

Pair of stools

£20 Distribuie Salveaza

Retro vintage mid century stepstool

£48 Distribuie Salveaza

2 M&S Lamp Bases with Next Shades and matching Ceiling Shade

£40 Distribuie Salveaza

Maypole Motorhome Cover 7.5-8.0 metre

£140 Distribuie Salveaza

thermomate outdoor water heater

£150 Distribuie Salveaza

Truma Ultraflow water Pump

£10 Distribuie Salveaza

BRAND NEW 10FT X 5FT TWIN AXLE FLAT TRAILER 1300KG

£2020 Distribuie Salveaza

BRAND NEW 8,2ft X 4,3ft (BC752) TWIN AXLE MASTER NIEWIADOW TRAILER 1300KG BRAKED

£2070 Distribuie Salveaza

BRAND NEW 8,4ft X 5ft TWIN AXLE FLAT BORO TRAILER 750KG

£1800 Distribuie Salveaza

Bus van camper rear seats

£15 Distribuie Salveaza

Great private plate DUK33S

£3500 Distribuie Salveaza

Ifor Williams 10x5

£900 Distribuie Salveaza

£750

Distribuie

£150

Distribuie

£600

Distribuie

£35

Distribuie

£420

Distribuie

£500

Distribuie

£650

Distribuie

£5

Distribuie

£100

Distribuie

£350

Distribuie

£750

Distribuie

£10

Distribuie

£15

Distribuie

£20

Distribuie

£3950

Distribuie

£5000

Distribuie

£25

Distribuie

£3584

Distribuie

£25

Distribuie

£16500

Distribuie

£700

Distribuie

£18

Distribuie

£18

Distribuie

£18

Distribuie

£18

Distribuie

£18

Distribuie

£18

Distribuie

£5

Distribuie

£20

Distribuie

£48

Distribuie

£40

Distribuie

£140

Distribuie

£150

Distribuie

£10

Distribuie

£2020

Distribuie

£2070

Distribuie

£1800

Distribuie

£15

Distribuie

£3500

Distribuie

£900

Distribuie

£18

Distribuie

£450

Distribuie

£62995

Distribuie

£30

Distribuie

£890

Distribuie