7.01 Acceleration of Sphere Rolling Downhill: method 1-Conservation of Energy

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Thanks! I failed to see why v_f^2 = v_i^2 + 2ax. Why the 2ax?

TejrnarG
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is angular acceleration just ALPHA = a / R ???

ptyptypty
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finally I got the answer of my problem, thank you sir, very helpfull

pernikussimanjuntak
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if mass doesn't matter what about a solid ball verses a hollow ball vs a cylinder hollow and open at both ends?

drivenhome
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Does friction reduce energy through the path ???

chathurangalakshitha