An object approaches the bottom of a ramp, point A. It goes up the ramp and turns around at point B, which is 40.0 m above A. The ramp makes an angle of 30.0° with the horizontal
What is the speed of the object at point A? Neglect friction and use g = 10.0 m/s2. A) 23.8 m/s
B) 28.3 m/s
C) 10.0 m/s
D) 11.6 m/s
E) 15.3 m/s
B
Physics & Space Science
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