In most energy sources, such as fossil fuels, where is the energy originally derived from? the sun the earth's core the magnetic poles the ocean currents

However, had it been a real sound, the sound's pitch would have been increased by the doppler effect, since the falcon was moving the source of the sound. perpendicular to away from towards at the same speed as

Acar travels in reverse. it covers 150 meters in 12 seconds what is the velocity of the car what is the speed of the car

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)