A 240-Kg Crate,initially at Rest,slides Down a Ramp 4

question 84

Multiple Choice

A 24.0-kg crate,initially at rest,slides down a ramp 4.0 m long and inclined at an angle of 20° with the horizontal.If there is no friction between ramp surface and crate,what is the kinetic energy of the crate at the bottom of the ramp? (g = 9.8 m/s²)

• A)880 J
• B)940 J
• C)644 J
• D)322 J
• E)161 J

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Definitions:

Inference Forms

Structures of reasoning that establish a conclusion based on one or more premises.

MP

Stands for Modus Ponens, a crucial concept in formal logic entailing that from premises of the form "If P, then Q" and "P is true," one can conclusively deduce "Q must be true."

W

A letter in the English alphabet, often used to represent work in physics or width in measurements.

CD

A compact disc, a digital optical data storage format used for storing digital audio, video, and data.