An Object Moving Along a Horizontal Surface Approaches the Bottom

question 73

Multiple Choice

An object moving along a horizontal surface approaches the bottom of a ramp. At the very bottom of the ramp, point A, its speed is 40 m/s. The object goes up the ramp and reverses direction at point B. What is the height of point B above point A? The angle of inclination is 30°. Neglect friction and use g = 10 m/s².

• A) 50 m
• B) 60 m
• C) 70 m
• D) 80 m
• E) 90 m

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