Diagram is attached. ogether and slide across a rough patch, who IIe Block slide

Question

Diagram is attached.

ogether and slide across a rough patch, who IIe Block slides p, collides with bloc down th e ram p, collides with block B, and they stick , whose coefficient of kinetic friction is 0.130. spring whose force fter crossing the rough patch, the combine onstant is 210.0 N ring.) d mass encounters a /m. (There is no friction when they are in contact with the Block A, 10.0 kg 6.00 m Block B, 5.00 kg horizontal surface, with friction, 12.0 m long x=12m the maximum compression of the spring.

Explanation / Answer

the speed of block a at the time of collision i s

u = root 2gh = root 2( 9.8) ( 6) = 10.84

from the kinematic equation

final speed of two block after reaching the 12 m is

v = root u^2 + 2 as = root u^2 + 2 uk g s

= root 10.84^2 + 2 (0.130) (9.8)12

=12.17 m/s

KE = PE

1/2 ( m1+ m2)v^2 = 1/2 kx^2

x = 3.25 m

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