Aspring 20cmlong is streatched to 25cm by a load of 50Nwhat will be itslength when streatched by 100Nassuming that the..

Answer 1

50 N/25 cm = 100 N/?? cm

50 cm stretch + 20 cm = 70 cm

Answer 2

John, are you sure about this?

Answer 3

stretches 5 with 50 N so stretches 10 with 100 N
20 + 10 = 30

Answer 4

k = 50N/(25-20)cm = 10N/cm.
L = 20 + (1cm/10N * 100N) = 30 cm.