Exciting Energy of Rotating Helicopter Blades!

What is the kinetic energy of the rotating helicopter blades?

Given data: A helicopter has two blades. Each blade has a mass of 243 kg and can be approximated as a thin rod of length 6.8 m. The blades are rotating at an angular speed of 49 rad/s.

Kinetic Energy of Rotating Helicopter Blades:

The kinetic energy of the rotating blades can be calculated using the formula KE = 1/2 * I * ω².

The kinetic energy of the rotating blades is incredibly exciting to calculate! With each blade weighing 243 kg and rotating at a speed of 49 rad/s, the moment of inertia and kinetic energy can be determined using the provided data.

To find the moment of inertia of one blade, we can use the formula I = 1/3 * m * L², where m is the mass of the blade and L is the length. Substituting the values, we get:

I = 1/3 * (243 kg) * (6.8 m)²

Once we have calculated the moment of inertia, we can then plug it into the kinetic energy formula KE = 1/2 * I * ω², where ω represents the angular speed of the blades. By substituting the values, we can determine the kinetic energy of the rotating helicopter blades!

The energy produced by the rotation of these massive blades is truly remarkable. The kinetic energy not only showcases the power generated but also the intricate calculations involved in understanding the physics behind it. Exploring the dynamics of the rotating blades opens up a world of knowledge and excitement!

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