Ask an Explainer - Propulsion

Displaying records 171 to 180 of 226
Q: I want to make a small but real rocket because I want to know about rockets. Can you please tell me how to do it?
Categories:
Propulsion
Q: What are the conditions for an object to stay at rest, to keep moving at constant velocity or to move with increasing velocity?
Categories:
Propulsion
Q: Why do airplanes move faster than cars or other vehicles?
Categories:
Propulsion
Q: How does a helicopter fly through the rotation of its wings?
Categories:
Propulsion
Q: How does a helicopter create lift without moving forward at a fast pace?
Categories:
Propulsion
Q: What is a fuel and an oxidizer? Also, what are propellants?
Categories:
Propulsion
Q: Why is using liquid fuel a better choice for rockets than solid fuel?
Categories:
Propulsion
Q: How do you start the jet engine propeller without an external supply?
Categories:
Propulsion
Q: How does a propeller produce thrust?
Categories:
Propulsion
Q: Why travel at the speed of sound when it's so inefficient (like the Concorde)?
Categories:
Propulsion