# physics

posted by
**Joey**
.

The figure below gives the speed v versus time t for a 0.510 kg object of radius 5.90 cm that rolls smoothly down a 30° ramp. What is the rotational inertia of the object?

1 kg·m2

posted by
**Joey**
.

The figure below gives the speed v versus time t for a 0.510 kg object of radius 5.90 cm that rolls smoothly down a 30° ramp. What is the rotational inertia of the object?

1 kg·m2