11. The spring constant of the spring in the figure below is 300 N/m. As shown in the "Before" figure, an object of mass m = 12 kg is hooked to the bottom of the relaxed hanging spring and afte held there. The object is then allowed to fall. What is the object's speed (in m/s) when the spring is stretched by 0.60 m? Before S k = 300 N/m 12 kg (a) 1.96 (b) 0.78 (c) 0.94 (d) 1.66 (e) None of these v = ? After wwwwwwwwwww 0.60 m _V..

College Physics
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Chapter1: Units, Trigonometry. And Vectors
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1. The spring constant of the spring in the figure below is 300 N/m. As shown in the "Before"
figure, an object of mass m = 12 kg is hooked to the bottom of the relaxed hanging spring and
held there. The object is then allowed to fall. What is the object's speed (in m/s) when the
spring is stretched by 0.60 m?
Before
k = 300 N/m
(a) 1.96
(b) 0.78
12 kg
(c) 0.94
(d) 1.66
(e) None of these
V = ?
(a) 7.50
(b) 6.54
(c) 7.88
(d) 18.87
(e) None of these
After
0.60 m
_V..
pies
los
CC.2 (s)
10.1 (d)
$20 (0)
EC.S
(9)
svodi to
12. An object is moving in a horizontal circular path at the end of a string. The tension in the
string is 12.00 N. If the object's speed is decreased by 25%, and the length of the string
decreased by 10%, what would be the new tension (in newtons)?
Transcribed Image Text:1. The spring constant of the spring in the figure below is 300 N/m. As shown in the "Before" figure, an object of mass m = 12 kg is hooked to the bottom of the relaxed hanging spring and held there. The object is then allowed to fall. What is the object's speed (in m/s) when the spring is stretched by 0.60 m? Before k = 300 N/m (a) 1.96 (b) 0.78 12 kg (c) 0.94 (d) 1.66 (e) None of these V = ? (a) 7.50 (b) 6.54 (c) 7.88 (d) 18.87 (e) None of these After 0.60 m _V.. pies los CC.2 (s) 10.1 (d) $20 (0) EC.S (9) svodi to 12. An object is moving in a horizontal circular path at the end of a string. The tension in the string is 12.00 N. If the object's speed is decreased by 25%, and the length of the string decreased by 10%, what would be the new tension (in newtons)?
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