Question

Физика. Задание во вложении(64 балла)

Answer 1

1) m*g*R=m*g*h+m*v²/2
g*R=g*h+v²/2
an=v²/R=g*cosα
cosα=h/R
v²=g*R*h/R=g*h
g*R=(3/2)*g*h
h=(2/3)*R
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k2=3*k1
x1=m*g/k1
x2=m*g/(3*k1)
x1/x2=3
W1=k1*x1²/2
W2=k2*x2²/2
W1/W2=(k1/3*k1)*(x1/x2)²=9/3=3
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