Question

Please hurry need ASAP!!! When a pendulum swings, at which point is kinetic energy highest?

Answer 1

Answer:

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Explanation:

Here's your answer-

Potential energy is converted to kinetic energy, which is the energy exerted by a moving object. An active pendulum has the most kinetic energy at the lowest point of its swing when the weight is moving fastest.

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Answer 2

Answer:

At the point where height of the pendulum is minimum is the point where kinetic energy of pendulum is maximum.

Explanation:

Gravitational potential energy of an object is given by = P.E. =  $mgh$

where, $h$ is the height to which the object is raised.

Kinetic energy of an object is given by, K.E. =  $\frac{1}{2} mv^2$

where,  $m$ is the mass of the object

and  $v$  is the velocity of the object.

In the given case mass of the pendulum is constant. So, the kinetic energy depends only on the velocity.

Now, from the law of conservation of energy, total energy ( K.E. + P.E.) of the pendulum is constant.

Thus, the point at which P.E. is minimum, K.E. must be maximum.

As, Potential energy of the pendulum is minimum at point A, due to least height (h), so, kinetic energy at that point is maximum and so is the velocity.

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