clevelandjaniya1
30.12.2019 •
Physics
2. a can filled with sand has a mass of 0.65kg is swung overhead in a horizontal circle of radius 0.70m at a constant rate of 2.5 revolutions per second. find the angular momentum of the rock.
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Ответ:
≈ 5 Kgm²/sec
Explanation;Angular momentum is given by the formula
L = Iω, where I is the moment of inertia and ω is the angular speed.
I = mr², where m is the mass and r is the radius
= 0.65 × 0.7²
= 0.3185
Angular speed, ω = v/r
= (2 × 3.142 × r × 2.5) r
= 15.71
Therefore;
Angular momentum = Iω
= 0.3185 × 15.71
= 5.003635
≈ 5 Kgm²/sec
Ответ:
Explanation:
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