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?

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2013 BMW 5 Series 2.0 520d SE Euro 6 (s/...

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£ 100

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Cute vintage dog design chair

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£ 30

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£ 10

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£ 20

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£ 105

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£ 15

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£ 35

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£ 5591

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2013 BMW 5 Series 2.0 520d SE Euro 6 (s/s) 4dr SALOON Diesel Manual

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£5990

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£50000

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£15000

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Owner

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£130

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£67000

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Wiko phone

Owner

Barking and Dagenham 19.12.2025

£5

Distribuie

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Owner

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£3360

Distribuie

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Spice rack - brand new, still in the box

Owner

Barking and Dagenham 19.12.2025

£15

Distribuie

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Spacious Room With ALL BILLS INCLUDED Opposite to Haydons Road Station in Wimbledon

Owner

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£699

Distribuie

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Cleaner | Full-Time & Part-Time Cleaning Jobs | Immediate Start

Owner

Barking and Dagenham 19.12.2025

£600

Distribuie

Auction

Handmade workbench with Veritas vices

Owner

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£350

Distribuie

Auction

Children’s Chelsea boots

Owner

Barwell 19.12.2025

£10

Distribuie

Auction

Mid Argyll Flat for sale

Owner

Aberdeen 19.12.2025

£55000

Distribuie

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2 Ton Hydraulic Trolley Jack with long handlebar for easy lifting, height almost 14 inch

Owner

Baguley 19.12.2025

£30

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Owner

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£1190

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Owner

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£5000

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Owner

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£303

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Owner

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£660

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Owner

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£230

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2018 Ford Transit Custom 2.0 300 EcoBlue Limited L2 H2 Euro 6 5dr PANEL VAN Diesel Manual

Owner

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£12995

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Owner

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£1

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Auction

Nissan X-Trail T32 2013-2017 Headlight left damaged, for spares

Owner

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£30

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Owner

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£250

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Owner

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£99

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Full Gaming Setup

Owner

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£575

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Voge 650 DS Plus |All Terrain motorcycle |Adventure bike |For Sale| A2 compla...

Owner

Gorleston-on-Sea 19.12.2025

£5999

Distribuie

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Two rooms available for rent in Manor Park fourth Avenue

Owner

Barking and Dagenham 19.12.2025

£1400

Distribuie

Auction

BRAND NEW Static Caravan For Sale Off Site The Villa 40x14, 2 Bedroom

Owner

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£52995

Distribuie

Auction

Rare Vintage Namco Passive 3-way hi-fi Speakers

Owner

Leith 19.12.2025

£40

Distribuie

Auction

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Owner

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£54000

Distribuie

Auction

Cash In Hand Ideal for Students Get Paid on the Same Day** Part-time and Full-Time Available

Owner

Barking and Dagenham 19.12.2025

£100

Distribuie

Auction

Nicolas kirkwood Boots

Owner

Barking and Dagenham 19.12.2025

£400

Distribuie

Auction

Cute vintage dog design chair

Owner

Abbots Langley 19.12.2025

£30

Distribuie

Auction

Ikea swivel desk chair

Owner

Leith 19.12.2025

£10

Distribuie

Auction

2 bedroom house in Conwy Lodge Park, Conwy North Wales, Wales

Owner

Colwyn Bay 19.12.2025

£145000

Distribuie

Auction

Leather Jacket Xl

Owner

Linlithgow 19.12.2025

£20

Distribuie

Auction

Full tracksuit tech

Owner

Aberdeen 19.12.2025

£60

Distribuie

Auction

Indesit fridge freezer

Owner

Allington 19.12.2025

£140

Distribuie

Auction

Birmingham Open Storage Yards

Owner

Aberdeen 19.12.2025

£4

Distribuie

Auction

Stainless steel gas hob

Owner

Appledore 19.12.2025

£30

Distribuie

Auction

Room to Let

Owner

Aberdeen 19.12.2025

£300

Distribuie

Auction

iPhone 13 128gb Like new

Owner

Aberdeen 19.12.2025

£320

Distribuie

Auction

Cask ale rack

Owner

Dunstable 19.12.2025

£20

Distribuie

Auction

Railway Sleepers

Owner

Crewe 19.12.2025

£25

Distribuie

Auction

2016 66 DUCATI SCRAMBLER 800 ICON - BUY ONLINE 24 HOURS A DAY

Owner

Crewe 19.12.2025

£4284

Distribuie

Auction

Spacious Four-Bedroom semi-detached in Cove with panoramic sea views

Owner

Aberdeen 19.12.2025

£229500

Distribuie

Auction

JBL Harman Charge 5 Bluetooth Speaker

Owner

Hastings 19.12.2025

£130

Distribuie

Auction

WILLERBY CLEARWATER (SN3010) 20ft

Owner

Broadwater 19.12.2025

£51995

Distribuie

Auction

Parking Space available to rent in Borehamwood (WD6)

Owner

Abbots Langley 19.12.2025

£104

Distribuie

Auction

2 bedroom house in Conwy Lodge Park, Conwy North Wales, Wales

Owner

Colwyn Bay 19.12.2025

£160000

Distribuie

Auction

8&10 birth caravans on butlins skegness

Owner

Baguley 19.12.2025

£400

Distribuie

Auction

Airpod Pro 2 generation

Owner

Newbury 19.12.2025

£105

Distribuie

Auction

2020 CITROEN RELAY L3 H2 ENTERPRISE LWB

Owner

Aberdeen 19.12.2025

£14495

Distribuie

Auction

Kodak Camera

Owner

Fern Down 19.12.2025

£15

Distribuie

Auction

Ikea Bamboo Desk LILLASEN 102-49 cm

Owner

Barking and Dagenham 19.12.2025

£60

Distribuie

Auction

Wooden toys

Owner

Newbury 19.12.2025

£5

Distribuie

Auction

CLASSIC MINI 6 X 13 MINILIGHT STYLE ALLOY WHEEL NEW OLD STOCK SO UNDER HALF PRICE

Owner

Aberdeen 19.12.2025

£35

Distribuie

Auction

Sony stack system and speakers

Owner

Newbury 19.12.2025

£70

Distribuie

Auction

2016 Toyota Prius 1.8 VVTi Active CVT - PCO READY! - Free Delivery! -

Owner

Aylesbury 19.12.2025

£13495

Distribuie

Auction

2020 20 KAWASAKI VULCAN BUY ONLINE 24 HOURS A DAY

Owner

Crewe 19.12.2025

£5591

Distribuie

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2013 BMW 5 Series 2.0 520d SE Euro 6 (s/s) 4dr SALOON Diesel Manual

£5990 Distribuie Salveaza

Organıc food & flowers market

£50000 Distribuie Salveaza

Static Caravan Willerby Aspen 38x12 2bedroom DG/CH - Free UK Delivery

£15000 Distribuie Salveaza

Tomtom go expert

£130 Distribuie Salveaza

2 bedroom house in Ladram Bay Holiday Park, Budleigh Salterton Devon, South West

£67000 Distribuie Salveaza

Wiko phone

£5 Distribuie Salveaza

Live in Carer - Earn up to £3,360 per month

£3360 Distribuie Salveaza

Spice rack - brand new, still in the box

£15 Distribuie Salveaza

Spacious Room With ALL BILLS INCLUDED Opposite to Haydons Road Station in Wimbledon

£699 Distribuie Salveaza

Cleaner | Full-Time & Part-Time Cleaning Jobs | Immediate Start

£600 Distribuie Salveaza

Handmade workbench with Veritas vices

£350 Distribuie Salveaza

Children’s Chelsea boots

£10 Distribuie Salveaza

Mid Argyll Flat for sale

£55000 Distribuie Salveaza

2 Ton Hydraulic Trolley Jack with long handlebar for easy lifting, height almost 14 inch

£30 Distribuie Salveaza

Earls Court One bedroom apartment short term let’s £1190 per week

£1190 Distribuie Salveaza

3 bedroom house in Heacham Beach, Kings Lynn Norfolk, East of England

£5000 Distribuie Salveaza

Fantastic 128 Sq Ft Garage available to rent in Purfleet (RM19)

£303 Distribuie Salveaza

Nikon Z6

£660 Distribuie Salveaza

Set of 4 Alloy rims 19"x8.5 suitable for BMW X1

£230 Distribuie Salveaza

2018 Ford Transit Custom 2.0 300 EcoBlue Limited L2 H2 Euro 6 5dr PANEL VAN Diesel Manual

£12995 Distribuie Salveaza

VTech phone toy

£1 Distribuie Salveaza

Nissan X-Trail T32 2013-2017 Headlight left damaged, for spares

£30 Distribuie Salveaza

Apple iPad grey

£250 Distribuie Salveaza

Top Brands Laptops Low Prices Warehouse Sale Dell Lenovo HP MAC i5 i7

£99 Distribuie Salveaza

Full Gaming Setup

£575 Distribuie Salveaza

Voge 650 DS Plus |All Terrain motorcycle |Adventure bike |For Sale| A2 compla...

£5999 Distribuie Salveaza

Two rooms available for rent in Manor Park fourth Avenue

£1400 Distribuie Salveaza

BRAND NEW Static Caravan For Sale Off Site The Villa 40x14, 2 Bedroom

£52995 Distribuie Salveaza

Rare Vintage Namco Passive 3-way hi-fi Speakers

£40 Distribuie Salveaza

2 bedroom house in Lady's Mile Holiday Park, Dawlish Devon, South West

£54000 Distribuie Salveaza

Cash In Hand Ideal for Students Get Paid on the Same Day** Part-time and Full-Time Available

£100 Distribuie Salveaza

Nicolas kirkwood Boots

£400 Distribuie Salveaza

Cute vintage dog design chair

£30 Distribuie Salveaza

Ikea swivel desk chair

£10 Distribuie Salveaza

2 bedroom house in Conwy Lodge Park, Conwy North Wales, Wales

£145000 Distribuie Salveaza

Leather Jacket Xl

£20 Distribuie Salveaza

Full tracksuit tech

£60 Distribuie Salveaza

Indesit fridge freezer

£140 Distribuie Salveaza

Birmingham Open Storage Yards

£4 Distribuie Salveaza

Stainless steel gas hob

£30 Distribuie Salveaza

£5990

Distribuie

£50000

Distribuie

£15000

Distribuie

£130

Distribuie

£67000

Distribuie

£5

Distribuie

£3360

Distribuie

£15

Distribuie

£699

Distribuie

£600

Distribuie

£350

Distribuie

£10

Distribuie

£55000

Distribuie

£30

Distribuie

£1190

Distribuie

£5000

Distribuie

£303

Distribuie

£660

Distribuie

£230

Distribuie

£12995

Distribuie

£1

Distribuie

£30

Distribuie

£250

Distribuie

£99

Distribuie

£575

Distribuie

£5999

Distribuie

£1400

Distribuie

£52995

Distribuie

£40

Distribuie

£54000

Distribuie

£100

Distribuie

£400

Distribuie

£30

Distribuie

£10

Distribuie

£145000

Distribuie

£20

Distribuie

£60

Distribuie

£140

Distribuie

£4

Distribuie

£30

Distribuie

£300

Distribuie

£320

Distribuie

£20

Distribuie

£25

Distribuie

£4284

Distribuie