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Grade: 11

                        

2 rectangular blocks A and B of masses 2kg and 3kg respectively connected by a spring of spring constant 10.8N/m are placed on a frictionless horizontal surface.the block A was given an initial velocity of 0.15m/s in the direction of block A to block B the maximum compression in the spring during motion is

4 years ago

Answers : (1)

Vikas TU
12274 Points
							
First conserve the momentum,
m1u1 = m1v1 + m2v2..................(1)
 
then conserve energy,
0.5*m1*u1^2 = 0.5m2v1^2 + 0.5mv2^2 + 0.5kx^2.............(2)
put the values and solve the eqns.
4 years ago
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