A disk with a radius of 0.1 m is spinning about its center with a constant angular speed
of 10 rad/sec.
What are the speed and magnitude of the
acceleration of a bug clinging to the rim of the
disk?
1. 0.1 m/s and 1 m/s2
2. 1 m/s and 0 m/s2
(Disk spins at constant
speed.)
3. 1 m/s and 10 m/s2
4. 10 m/s and 10 m/s

Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air