Hydrogen gas was cooled from 150c to 50c. its volume is 75.0 ml. what was its original volume?

If four different types of vehicles have the same kinetic energy when traveling on a highway what can you infer about their speeds?

Which properties should an object, system, or process have in order for it to be a useful standard of measurement for a physical quantity such as length or time?

Which description indicates that a question is nonscientific?. A. The question has a narrow focus ... B. They question leads to a testable hypothesis ... C. The question addresses a gap in knowledge ... D.

A mango fruit drops from the top of it's tree which is 40 m. How long does it takes to reach the ground

A truck, initially traveling at a speed of 22 meters per second, increases speed at a constant rate of 2.4 meters per second2 for 3.2 seconds. what is the total distance traveled by the truck during this 3.2-second time interval?

The friends now feel ready to try a problem. Suppose an Atwood machine has a mass of m1 = 2.5 kg and another mass of m2 = 8.5 kg hanging on opposite sides of the pulley. Assume the pulley is massless and frictionless, and the cord is ideal.

What are the 3 main branches of natural sciences

A girl is walking 2km north them east then south then west whar is her displacement

Find the y-component of this vector:73.3,12.0m. Remember, angles are measured from the + x axis.

A smaller unit of volume than a milliliter would be a microliter. A microliter is one-millionth of a liter. Select one: a. True b. False