A runner starts from rest and achieves a maximum speed of 8.85 m/s. If her acceleration is 9.67 m/s2, how long does it take her to reach that speed?

Awheel rotates without friction about a stationary horizontal axis at the center of the wheel. a constant tangential force equal to 82.0 n is applied to the rim of the wheel. the wheel has radius 0.150 m . starting from rest, the wheel has an angular speed of 12.8 rev/s after 3.88 s. what is the moment of inertia of the wheel?

If an inclined plane is 5 m long and 2 m high, what is its mechanical advantage? a. 2.5 b. 3 c. 7 d. 10

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is