Answer to Question #109976 in Mechanics | Relativity for Sophie

Question #109976
Your concave plate with a mass of 2 kg is spinning on top the table with a velocity of 1.5
rad/s for 2 seconds then your brother came and spins it more creating a velocity of 4 rad/s
for 6 seconds. What is the angular acceleration of your concave when you are spinning it
and the angular acceleration after your brother spins it?
1
Expert's answer
2020-04-20T10:12:38-0400
"a_1=\\frac{v_1}{t_1}=\\frac{1.5}{2}=0.75\\frac{m}{s^2}"

"a_2=\\frac{v_2-v_1}{t_2}=\\frac{4-1.5}{6}=0.42\\frac{m}{s^2}"


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