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23 Nov 2019
The figure shows a 1.75-{\rm kg} block at rest on a ramp of height h. When the block is released, it slides without friction to the bottom of the ramp, and then continues across a surface that is frictionless except for a rough patch of width 10.0 {\rm cm} that has a coefficient of kinetic friction 0.650.Find h such that the block's speed after crossing the rough patch is 3.10 {\rm m/s}.
The figure shows a 1.75-{\rm kg} block at rest on a ramp of height h. When the block is released, it slides without friction to the bottom of the ramp, and then continues across a surface that is frictionless except for a rough patch of width 10.0 {\rm cm} that has a coefficient of kinetic friction 0.650.Find h such that the block's speed after crossing the rough patch is 3.10 {\rm m/s}.
Collen VonLv2
21 Jan 2019
