A \( 10.0 \mathrm{~kg} \) crate slides along a horizontal frictionless surface at a constant spe...
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1A \( 10.0 \mathrm{~kg} \) crate slides along a horizontal frictionless surface at a constant speed of \( 4.0 \mathrm{~m} / \mathrm{s} \). The crate then slides down a frictionless incline and across a second horizontal surface as shown in the figure.
What is the kinetic energy of the crate as it slides on the lower surface?
(A) \( 290 \mathrm{~J} \)
(B) \( 370 \mathrm{~J} \)
(C) \( 570 \mathrm{~J} \)
(D) \( 320 \mathrm{~J} \)
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