Why does a submarine rise when its volume is increased?

a. Because it now weighs less

c. Because it fills with air

b. Because its density is now lower than the water around it

d. Because it is less buoyant when it is larger

Positive and negative charges are attracted to one another. The phenomenon of static electricity requires a separation of positive and negative charges. Laundry in a clothes dryer often becomes charged with static electricity while drying.

Why do astronauts in orbit in space shuttle seem to float

Teams A and B are in a tug-of-war challenge. Team A wins the challenge. What can be said about Team A? A. The net force was in their direction. B. They exerted a net force of zero. C. The net force was opposite their direction. D.

On the periodic table what is number 54

Which one is a indicator of gas and oil? 1. Salt dome 2. Hydrocarbons 3. Generator 4. Coal

During summer vacation, Juan traveled a total distance of 400 miles. His trip took 8 hours. What was the average speed during his trip?

Where Pabs is absolute pressurePg, is gauge pressure, and Patm is atmospheric pressure. For example, if your tire gauge reads 34 lb/incz (pounds per square inch), then the absolute pressure is ...

The tip of a triangle is held 12.0 cm above the surface of a flat pool of water. A submerged swimmer in the pool sees the tip of the triangle at what distance above the water? Let the indices of refraction nwater = 1.33 and nair = 1.00.

What is a lever used for?

What did the romans build as a step toward environment management