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Find the spring potential energy, U, the kinetic energy of the block, K, and the total mechanical energy of the system, E, for compressions of 2.00 cm. A 1.50 kg block slides with a speed of 0.910 m /s Enter your answers numerically separated by commas. on a frictionless horizontal surface until it encounters a spring with a force constant of 722 N/m . The block comes to rest after compressing AEd ? the spring 4.15 cm. Uc, Kc, Ec = Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part D Find the spring potential energy, U, the kinetic energy of the block, K, and the total mechanical energy of the system, E, for compressions of 3.00 cm. Enter your answers numerically separated by commas. AEd 0 8 ] ? Ud, Ka, Ed = Submit Request