Describe at least TWO hazardous conditions that exist in space AND the technological features a spacecraft must have in order to protect the astronauts from these hazards.

The half-life of carbon-14 is 5730 years. How long will it take for the number of carbon-14 nuclei in a sample to drop to a quarter of the original number? Enter your answer as a number years

The ATC notices the airplanes NJ446 and DL267 are flying at the same speed on intersecting courses. What is the problem and what would you tell the pilots in order to solve the problem

If a scale on Earth reads 650 N, what is your mass?

What does acceleration mean?

What is the unit of power

A circuit contains two 1.5 volt batteries and a bulb with a resistance of 3 ohms. Calculate the current.

In an ac induction motor, the stator produces a rotating magnetic field that induces current in the rotor windings. The rotor current generates a magnetic field in opposition to the magnetic field of the stator, thereby causing the rotor to turn. A.

How many additional electrons does this atom of oxygen need in its valence shell to satisfy the octet rule?

Calculate the momentum of a 1.60*10^3 kg car at 20.0 m/s

What is ten thousand more than 300,000 + 90,000 + 5,000 + 40 is