The number density of gas atoms at a certain location in the space above our planet is about 1.00×1011m−3, 1 . 00 × 10 11 m − 3 , and the pressure is 2.75×10–10N/m2 2 . 75 × 10 – 10 N/m 2 in this space. What is the temperature there?

What is the magnitude of the acceleration vector which causes a particle to move from velocity −5i−2j m/s to −6i+ 7j m/s in 8 seconds. answer in m/s.

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.