Three balls of equal mass start from rest and roll down different ramps. All ramps have the same height. but different steepness. Which ball has the greater speed at the bottom of its ramp?
a. The ball from steepest ramp
b. The ball from the least steep ramp
c. They will all have the same speed since the ramps are all the same height
Ans: c. They will all have the same speed since the ramps are all the same height
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