10. A sphere at rest begins to spin with constant angular
acceleration. When its angular displacement is 10
radians, its angular velocity is 5 radians per second.
What is its angular acceleration?
A) 0.25 rad/s2 B) 0.5 rad/s2
C) 1 rad/s2
D) 1.25 rad/s2
E) 2.5 rad/s2
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Ответ:
A) Each triangle has two congruent angles: Angle M is congruent to angle O and Angle R is congruent to angle S.
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