Why do astronauts feel weightless in space?

What determines the force of gravity

The portion of the visible spectrum that appears brightest human eye is around 560 nm in wavelength, which corresponds to yellow-green. What is the frequency of 560 nm light?

Is saliva breaking a down a piece of bread chemical or physical

A box weighing 100 n is pushed up an incline plane that is 5 m long. It takes a force of 75 n to push it to the top, which has a height of 3m. Find the efficiency

What is the chemical composition of a nucleosome

A question about a moral issue is answered by examining facts rather than opinions. is generally considered a scientific question. cannot be answered with scientific methods. cannot be debated through discussion.

Who is most likely to have a physiological age that is much younger than his or her actual age?

Inflammation happens when the mucous membranes cannot stop a pathogen. True False

If the diameter of the space station is 730 m, how many revolutions per minute are needed for the "artificial gravity" acceleration to be 9.80m/s2?

The act, process or state of the change in place or position oa a body with respect to time and relative to the observer is said to be : - 1. Rest 2. Stationary 3. Motion 4. None of the above