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# Rotational motion

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At t=3s, a point on the rim of a .2m radius wheel has a tangential speed of 50m/s as the wheel slows down with a tangential acceleration of constant magnitude 10m/s^2.

a) What is the constant angular acceleration?
b) What is the angular velocities at t=3s & t=0s
c) Through what angle did the wheel turn between t=0s & t=3s?
d) At what time was the radial acceleration equal to g?

Please show me detailed algebra steps and formulas used.

https://brainmass.com/physics/rotation/rotational-motion-problems-127134

#### Solution Preview

Problem: At t=3s, a point on the rim of a .2m radius wheel has a tangential speed of 50m/s as the wheel slows down with a tangential acceleration of constant magnitude 10m/s^2.

a) What is the constant angular acceleration?
b) What is the angular velocities at t=3s & t=0s
c) Through what angle did the wheel turn between t=0s & t=3s?
d) At what time was the radial acceleration equal to ...

#### Solution Summary

The posting helps with rotational motion problems. Step by step solution provided for questions about the rotation of a wheel. Calculations of provided for each.

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