ritvik123 ritvik123
  • 26-02-2022
  • Physics
contestada

Can someone please answer this? I am really lost.

Can someone please answer this I am really lost class=
Relax

Respuesta :

zsm2800 zsm2800
  • 27-02-2022

Answer:

8.0 rad/s

Explanation:

I₁ = 1.0 kgm², ω₁ = -20.0 rad/s (clockwise is positive direction)

I₂ = 4.0 kgm², ω₂ = 15.0 rad/s

Angular momentum conservation:

I₁ω₁ + I₂ω₂ = (I₁ + I₂)ω

1.0 x (-20.0) + 4.0 * 15.0 = (1.0 + 4.0)ω

40.0 = 5.0ω

so ω = 8.0 rad/s

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