a student starts at the origin and ends up at a position 500 meters north of the origin. She knows she walked 250 meters west, but she was blindfolded and led to the final position. assume she walked a straight path for the hidden leg of the trip. What displacement vector did she move?

“other instruments such as gravimeters and magnetometers are also used in the search for petroleum. extracting crude oil normally starts with drilling wells into an underground reservoir. when an oil well has been tapped, a geologist (known on the rig as the "mudlogger") will note its presence. “ this is what i found on google i hope it

Good moring let me you on this question the answer the electric force  have a good day ; )

Shania is trying to determine the oldest geologic unit on this map and the reason to why is she unable to do so is that  the units are all the same age.. when there is the same age, there will be no oldest geologic unit and that i cannot be credible.