El periodo de un péndulo es de 2,5 seg. ¿Cual der su nuevo periodo? A. Si su longitud se aumenta en 15% B. Si su longitud se disminuye en 65%

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change? work power gravitational energy chemical energy

Asher cycles 12 miles in 16 hours. what is his speed?

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.