The multiple reflection of a single sound wave is a/an

a. echo.

b. reverberation.

c. refraction.

d. diffraction.

He steel used to make structural beams in buildings is a mixture. What category best describes this type of mixture?

A 1.5m wire carries a 4 A current when a potential difference of 78 V is applied. What is the resistance of the wire? ohms

Question 26 Unsaved What happens when you compress a gas? Question 26 options: The density increases The volume increases The pressure decreases Depends on the gas The temperature decreases

Capacitors A and B are two identical capacitors that store different amount of energy. A stores 6.2x 10-3J and B stores 6.8 x 10-4J. The voltage across the plates of capacitor B is 15 V. Find the voltage across the plates of capacitor A.

The speed of light is about 300,000,000 m/s or 186,000 miles/second. What parts of the electromagnetic spectrum move at this speed?

A syrup added to an empty container with a mass of 115.25g. When 0.100 pint of syrup is added, the total mass of the container and syrup is 182.48g. Determine the density ... ?

MOST high schools teach biology, then chemistry, then physics. What do you see as some of the disadvantages of the traditional sequence to both students and teachers.

If you break a bar magnet in half, each half

If a forklift raises a 76-kg load a distance of 2.5 m, about how much work has it done?

When a fork is placed in a hot piece of lasagna, thermal energy is transferred up the fork by ...