Multiple Choice Question An astronaut in space swings a ball on a string in a circle If the string breaks the ball will __ C move in a straight line float in place more in a curved path C Need help? Revicw these concept resources. (i) Read About the Cuncept

A student drops a feather from a height of 77.0m. Determine all unknowns and answer the following questions. How long did the feather remain in the air? $\square $ $\square $ What was the feather's speed just before striking the ground? $\square $ $\square $ v

How much heat is needed to change the temperature of 3 grams of gold $(c=0.129\frac {1}{g^{\circ }C})$ from $21^{\circ }C$ to $363^{\circ }C$ ? The answer is expressed to the nearest whole number. 121 joules 132 joules 140 joules 149 joules

Fire the catapult at the lowest cup position What is the distance achieved? About 635 About 357

If Jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, what is being done? compression work radiation energy creation

Which word or phrase best describes entropy? disorder order kinetic energy force

What are most semiconductors made from? aluminum copper iron silicon

At which temperature does all molecular motion stop? OR $0^{\circ }C$ OK $0^{\circ }F$

Which statement about the volume and pressure of a gas is the most accurate? Volume of a gas is directly proportional to pressure of that gas in any container. Volume of a gas is inversely proportional to pressure of that gas in any container. Volume of a gas is always greater than pressure of that gas in any container. Volume of a gas is equal to pressure of that gas in any container.

CER: Make a claim about which type of material (dark or light)increases in temperature more when exposed to light energy Use evidence and scientific reasoning from class to support your answer. Your answer

In a transverse wave the wavelength can be measured as the distance between two adjacent compressions. TRUE FALSE