A wheel accelerates with a constant angular acceleration of 0.50 rad/s2 from an initial angular speed of 0.32 rad/s. What is its angular speed after 6.3 s?

the motion of a pendulum is a classic example of mechanical energy conservation. a pendulum consists of a mass (known as a bob ) attached by a string to a pivot point. as the pendulum moves it sweeps out a circular arc, moving back and forth in a periodic fashion.

measuring things 1 litre of water

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2