Question

please help me as soon as possible
(vii ito xii)
Two springs S, and S,, having natural length 4m each and spring constants
50 N/m and 100 N/m respectively, was attached as shown in figure.Spring
S, was connected by a block of mass 10kg. Both of springs was connected
by a string of length 0.5m. Two ropes R, and R, having length 7m and 6m
respectively, was also attached as shown in figure. Ropes and springs are
mass less and ropes are inextensible. Given that g=10m/s, Then
R,
V 0.5m
R.
S,
D
mg-
5
(viii) Initial elongation of spring S, will be.
(A)2m (B) 3m (C) lm (D)None of these
(ix) Initial elongation of spring Sqwill be.
(A) 3m (B) 0.5m
(C)lm (D) None of these
(x) Just after cutting the string (which is connected from both of the springs), elongation of
spring S, will be.
(A) 1m (B) 0.5m (C)1.5m (D)None of these
(xi) Just after cutting the string (which is connected from both of the springs), elongation of
spring S, will be
(A) 1.5m (B) 0.5m (C)2m (D) 0.4m
(xii) Just after cutting the string (which is connected from both of the springs), acceleration of
block will be.
(A)2.5 m/s² downward
(B) 1.5m/s’upward
(C)
(D) 2.5m/s’upward​

Answer 1

Answer:

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