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26 Nov 2019
When a 2.90-kg object is hungvertically on a certain light springdescribed by Hooke's law, thespring stretches 2.76 cm.
(a) What is the force constant of the spring?
N/m
(b) If the 2.90-kg object isremoved, how far will the springstretch if a 1.45-kg block is hung on it?
cm
(c) How much work must an external agent do to stretch thesamespring 7.20 cm from itsunstretched position?
J
When a 2.90-kg object is hungvertically on a certain light springdescribed by Hooke's law, thespring stretches 2.76 cm.
(a) What is the force constant of the spring?
N/m
(b) If the 2.90-kg object isremoved, how far will the springstretch if a 1.45-kg block is hung on it?
cm
(c) How much work must an external agent do to stretch thesamespring 7.20 cm from itsunstretched position?
J
N/m
(b) If the 2.90-kg object isremoved, how far will the springstretch if a 1.45-kg block is hung on it?
cm
(c) How much work must an external agent do to stretch thesamespring 7.20 cm from itsunstretched position?
J
Nestor RutherfordLv2
5 Feb 2019
