What is the momentum of a 1000 kg Civic traveling at 30 m/s with units of kg m/s?

Iwill give brainliest if you answer right : )

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.

If an electric circuit is not grounded it is best to reach out and touch it to provide the ground a. true or b. false