As an Object of Mass 60 Kg Approaches the Bottom

question 1

Multiple Choice

As an object of mass 60 kg approaches the bottom of a ramp, point A, its speed is 20 m/s. It goes up the frictionless plane and turns around at point B. What is the potential energy of this object at point B? Use g = 10 m/s².

• A) 0 J
• B) 6.0 × 10³ J
• C) 9 × 10³ J
• D) 12 × 10³ J
• E) 18 × 10³ J

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