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A wheel of diameter 40. 0 cm starts from rest and rotates with a constant angular acceleration of 3. 00 rad/s2. At the instant the wheel has computed its second revolution, calculate the radial acceleration.

Sagot :

The radial acceleration is 80.27 m/s2.

The angular acceleration of the wheel is 3.00 rad/s2. In order for the wheel to complete two revolutions, it must have an angular displacement of 2π radians. Using the equation a = ω²r, we can calculate the radial acceleration of the wheel. Here, ω is the angular velocity, which is equal to the product of angular acceleration and time, 3.00 rad/s2 × t. Since the wheel has completed two revolutions, the total time elapsed is 2π/3.00 s. Plugging in these values, we get a = 3.00 × (2π/3.00)2 × (40.0/2) = 80.27 m/s2. Therefore, the radial acceleration of the wheel is 80.27 m/s2.

To know more about radial acceleration refer to the link  brainly.com/question/3388038

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