A car with a mass of 1750 kilograms, traveling at a speed of 15 meters/second, crashes into a wall and stops. What is the kinetic energy after this perfectly inelastic collision?

A 0.0 joules
B 1.0 x 104 joules
C 2.6 x 104 joules
D 2.0 x 105 joules

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.

Afrequency generator sends a 550 hz sound wave through both water and ice. what is the difference in wavelength between the wave produced in ice and the wave produced in water?

Current from a charged capacitor lights a bulb. as time goes on the brightness of the