What causes lightning? a. thunder c. rising warm air b. an electric discharge d. air masses meeting

During a physical science lab investigating chemical reactions, several students placed a 30g antacid tablet in a 30g zip-lock bag. They recorded the masses of the tablet, and the bag. Then they added 50 grams of water and quickly sealed the bag.

Household wiring often uses 2.0 mm diameter copper wires. The wires can get rather long as they snake through the walls from the fuse box to the farthest corners of your house. What is the potential difference across a 16 m long, 2.

A certain parallel-plate capacitor is filled with a dielectric for which κ = 5.85. The area of each plate is 0.0817 m2, and the plates are separated by 1.96 mm.

Four weightlifters (A-D) enter a competition. The mass, distance, and time of their lifts are shown in the table. Weightlifter Mass (kg) Distance (m) Time (s) A 100.0 2.25 0.151 B 150.0 1.76 0.052 C 200.0 1.50 0.217 D 250.0 1.25 0.

Wood is an example of a fossil fuel. User: The type of energy stored by fossil fuels such as coal is a. kinetic energy. b. mechanical energy. c. chemical potential energy. d. electromagnetic energy. User: An example of a fossil fuel is a. wood. b.

If you are 3.00 m from speaker A directly to your right and 3.50 m from speaker B directly to your left, will the sound that you hear be louder than the sound you would hear if only one speaker were in use?

How much more ground motion is produced by an earthquake of magnitude 7.0 than by an earthquake of magnitude 4.0?

What evidence is there of life in a mini habitat?

A hole is drilled to the center of the earth and a ball is dropped into it. When the ball is at the earth's center, compared with their respective values at the earth's surface,

What is the development of static?