Which does not provide a significant voltage difference in a circuit?

A) wet cells

B) wires

C) electrical outlet

D) dry cells

How are acceleration and velocity related

The laws of refraction and reflection are the same for sound and for light.? The speed of sound is 340 m/s in air and 1510 m/s in water. If a sound wave that is traveling in air approaches a flat water surface with an angle of incidence of 11.

What is the rate of heat conduction (in W) through the 3.50 cm thick fur of a large animal having a 1.70 m2 surface area? Assume that the animal's skin temperature is 33.0°C, that the air temperature is - 5.

A roller coaster begins at the top of a hill. If it accelerates at the rate of 2 m/s2 and has a mass of 2000 kg, what net force is acting on it? (F=ma) A. 0.001 N B. 0.5 N C. 4000 N D. 1000 N

Complete these questions on your own paper or word document. When you are done, you will submit your answers for grading. You must show all of your work to receive full credit.

By what percent must one increase the tension in a guitar string to change the speed of waves on the string from 301 m/s to 343 m/s?

A plane is traveling from one location to another 10,000 miles away. If the plane travels at a speed of 575 miles per hour, how long will it take to get there?

At the bow of a ship on a stormy sea, a crewman conducts an experiment by standing on a bathroom scale. In calm waters, the scale reads 183 lb. During the storm, the crewman finds a maximum reading of 230 lb and a minimum reading of 138 lb. A.

A 1.5m wire carries a 2 A current when a potential difference of 52 V is applied. What is the resistance of the wire?

StarsA. begin as protostars, which fire up when they collapse and become denser and hotter. B. create elements by splitting the nuclei of small atoms into the nuclei of larger atoms. C. have unlimited amounts of fuel and therefore exist indefinitely.