A 560 kg mass is pushed against a spring k 2000 nm such, Ask an Expert

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A 5.60 kg mass is pushed against a spring ( k = 2000 N/m) such thatthe spring is compressed 12.0 cm. The mass is released,slides 1.50 m down the incline, along which μ = 0.140. Determine the kinetic energy as it reaches level ground. (angle ofthe incline is 12 degrees)

a) 11.4 J
b) 14.4 J
c) 17.1 J
d) 20.2 J

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