Where does the name "Black Hole" get it's name?

What nuclear weapon is the biggest and who currently owns this bomb

Two long straight wires enter a room through a window. One carries a current of 2.9A into the room, while the other carries a current of 4.4 out of the room. Calculate the magnitude (in T. m) of the path integral of B. ds around the window frame.

If an alveolus with an initial volume of 3 ml of air with a total pressure of 810 mmhg decreases in volume to 1.7 ml, what would the new pressure be and in which direction would air flow? assume you are at sea level.

Gives a pictorial indication of how far and fast an object has moved A. speed B. velocity C. frame of reference

An engineer discovered that a TV set was receiving too much voltage to work properly. Which of the following circuit parts should the engineer add to make the TV set work properly? A. Switch B. Insulator C. Resistor D. Conductor

Why does the percentage of water vapor vary?

A situation that restricts something

Why is the sky blue all the time

Where did the rotational kinetic energy of the earth come from?

What is the mass in kg of a leopard in a tree if the tree branch is 36 m up and the leopard's gravitational potential energy is 29988 J?