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How do I solve part a and b 3. (25 pts) A 14.0-kg crate starts from rest at the top of a 3.45-m long slope,

How do I solve part a and b

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3. (25 pts) A 14.0-kg crate starts from rest at the top of a 3.45-m long slope, inclined at 33.0 USE ENERGY to solve this problem. a) If there is no friction. what is the speed of the block when it reaches the bottom of the slope? b) If there IS friction, and the block reaches the bottom moving 4.53 m/s, how much Work was done by friction

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