edgartorres5123
31.07.2020 •
Physics
The friends consider a block of mass 1.6 kg set in motion by an external force. The initial velocity is 2.8 m/s, and the coefficient of kinetic friction is 0.03. What do they find as the final change in internal energy of the system once the block comes to a complete stop?
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Ответ:
Explanation:
For washer 2,
v₁ = 0.13 m/s
v₂ = 0.36 m/s
t₁ = 1.92
t₂ = 2.61
We need to find the acceleration of waster 2.
So, the acceleration of washer 2 is
.