What are the parts of a pendulum? Describe each part.

Why heat capacity for polymer higher than metal?

Which of the following is an example of an allocation decision?| O A. A hub-and-spoke network is used to ship packages. O B. A telephone factory is converted to make computers. O C. An assembly line is used to build cars. O D.

Which of the following is prohibited by the 2nd law of thermodynamics? (A) A device that converts heat into work with 100% efficiency (B) A device that converts work into heat with 100% efficiency.

A parallel plate capacitor is charged up by a battery. The battery is then disconnected, but the charge remains on the plates. The plates are then pulled apart.

If an object floats, the volume of the displaced water is equal to the volume of the portion of the object that's underwater. A. True B. False

Sophee left her house on her bike and traveled 3 kilometers north, 5 kilometers east, 3 meters south, then 5 meters west arriving home in time for dinner. What is her distance and displacement?

What would happen to the average kinetic energy of the molecules of a gas sample if the. temperature of the sample increased from 20°c to 40°c?

A _ spreads light into its own individual colors.

What is the direction of the force when an object moved in a circle

An observer notes that the pitch of a sound is becoming progressively higher. the observer can conclude that the sound is moving