Ask an Explainer - Propulsion

Displaying records 71 to 80 of 226
Q: Are airplanes with one propeller different from those with two?
Categories:
Propulsion
Q: What is the difference between speed and velocity?
Categories:
Propulsion
Q: Why are rockets capable of launching?
Categories:
Propulsion
Q: Which kind of rocket engines are used on the space shuttle?
Categories:
Propulsion
Q: How come it take seven months to get to Mars?
Categories:
Propulsion
Q: How do astronauts control the path of their ship in space as well as the position of the ship in relation to other ships or satellites?
Categories:
Propulsion
Q: When a rocket flies away from Earth, why does the force needed to keep it accelerating decrease?
Categories:
Forces of Flight, Gravity & Air, Propulsion
Q: What are some military uses for rockets?
Categories:
Propulsion
Q: Besides the rocket fuel, what else must a rocket carry with them to create enough thrust?
Categories:
Propulsion
Q: How does an RC helicopter with only one pair of main rotors fly upside down?
Categories:
Propulsion