A 2.87-kg block initially at rest at the top of a 3.77-m incline with a slope of 44.3° begins to slide down the incline. The upper half of the incline is frictionless, while the lower half is rough, with a coefficient of kinetic friction μ = 0.319. a) How fast is the block moving midway along the incline, before entering the rough section? Submit Answer Tries 0/99 b) How fast the block moving at the bottom of the incline? Submit Answer Tries 0/99
A 2.87-kg block initially at rest at the top of a 3.77-m incline with a slope of 44.3° begins to slide down the incline. The upper half of the incline is frictionless, while the lower half is rough, with a coefficient of kinetic friction μ = 0.319. a) How fast is the block moving midway along the incline, before entering the rough section? Submit Answer Tries 0/99 b) How fast the block moving at the bottom of the incline? Submit Answer Tries 0/99
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Transcribed Image Text:A 2.87-kg block initially at rest at the top of a 3.77-m incline with a slope of 44.3° begins to slide down the incline. The upper half of the incline is frictionless, while the lower half is rough, with a coefficient of kinetic
friction Uk
= 0.319.
a) How fast is the block moving midway along the incline, before entering the rough section?
Submit Answer Tries 0/99
b) How fast is the block moving at the bottom of the incline?
Submit Answer Tries 0/99
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