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skelet666 [1.2K]
2 years ago
12

A pendulum is lifted and released, causing the pendulum to oscillate in

Physics
1 answer:
kap26 [50]2 years ago
8 0

Answer:

D. Energy is converted between kinetic and gravitational potential energy.

Explanation:

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The motion of Mary along the circular path is a centripetal.

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Initially, before Mary starts, her linear speed is zero and her angular velocity is also zero. As she move towards the opposite edge, she is covering a distance of radius r. According to the formula, increase in radius will leads to decrease in her angular velocity and vice versa. As Mary starts moving towards the centre of the circular path, her angular velocity increases, at the centre of the platform, her angular velocity is at maximum at this point. As she moves further from the center to the other edge, her angular velocity decreases due to increase in distance covered across the circular path.

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3 years ago
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Em inglês, esse ponto é 'perihelion' ... 'periélio'. É o mais próximo que a Terra ou o planeta chega do sol.

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