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In the figure given below the two masses were moving same velocity v in same direction and the spring is in its natural length. An impulse J = 2mv is given towards left to mass A. Then how many of given statements are correct. ( The ground is smooth and the spring constant is k.) B m A m (1) Mass A stops and Mass B continues to move. (II) The velocity of masses w.r.t centre of mass change with time after the impulse is given to block A. (III) The masses oscillate about a fixed point with T = 2π (IV) Amplitude of oscillation of masses is, A = v (a) 1 (b) 2 (c) 3 (d) 4

In the figure given below the two masses were moving same velocity v in same direction and the spring is in its natural length. An impulse J = 2mv is given towards left to mass A. Then how many of given statements are correct. ( The ground is smooth and the spring constant is k.)
 
B
 
m
 
A
 
m
 
(1) Mass A stops and Mass B continues to move.
 
(II) The velocity of masses w.r.t centre of mass change with time after the impulse is given to block A.
 
(III) The masses oscillate about a fixed point with T = 2π
 
(IV) Amplitude of oscillation of masses is, A = v
 
(a) 1
 
(b) 2
 
(c) 3
 
(d) 4
 
 

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Grade:12

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