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2. a- A 1.5 kg block slides down an inclined ramp with u 0.4. If the ramp angle is 17.0° and the length of it is 30.0 m, assuming it started sliding at 5 m/s. Find the speed of the block as it reaches the end of the ramp b- a- A 3 kg block is pushed against a spring with negligible mass and force constant k 4500 N/m, compressing it 0.220 m. When the block is released, it moves along a frictionless, horizontal surface and then up a frictionless incline with slope 370 How far does the block travel up the incline before starting to slide back down?
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イ6-11° =-3 (0.090 -o-97)ド 2a 2 to) 13,89 m qtwtlnot aeach the end fname 2 6 155 m -(1 시

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