9. Kokio dydžo Archimedo jėga veikia 0,5 m² tūrio medinį rastą vandenyje?
1 answer:
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Answer:
Explanation:
Given that
Radius of track = R
Radius of ball = r
The ball can be treated as solid sphere, so
The moment of inertia of ball
When the ball reach at the lowest position then it will have both angular and linear speed.
Condition for rolling without slipping v= ωr
Form energy conservation
v= ωr
Answer:
Explanation:
The final velocity is: