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A 7.00-kg block of ice, released fromrest at the top of a 1.75-m-longfrictionless ramp, slides downhill, reaching a speed 2.25 m/s of at the bottom.

a) What is the angle between the ramp and thehorizontal?

b) What would be the speed of the ice at the bottom if the motionwere opposed by a constant friction force of 10.0 N parallel to thesurface of the ramp?

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