A 2.0 kg wood block is launched up a wooden ramp

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SUMMARY

A 2.0 kg wood block is launched up a wooden ramp inclined at a 30-degree angle with an initial speed of 10 m/s. The coefficient of kinetic friction between wood and wood is 0.200. To determine the vertical height reached by the block, one must calculate the forces acting on it, including gravitational force and friction. The final speed of the block when it slides back down can be found using energy conservation principles, factoring in the work done against friction.

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  • Calculate the vertical height using energy conservation principles
  • Determine the net force acting on the block during its ascent
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A 2.0 kg wood block is launched up a wooden ramp that is inclined at a 30 degree angle. The block's initial speed is 10 m/s. The coefficient of kinetic friction of wood on wood is .200

1)What vertical height does the block reach above its starting point?
2)What speed does it have when it slides back down to its starting point?

can someone please help me :eek:
 
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i found the x and y component of the weight:
wx=196sin(30) and wy is 196cos(30)

im not sure where to go from here
 

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