*A race car driver must average 200 km/hr for four laps to qualify for a race. Because of engine trouble, the car averages only 170 km/hr over the first two laps. What average speed must be maintained for the last two laps? The answer from my teacher is 243 km/hr but I don’t know how to solve to get that answer? Please help!!!

“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

That would be kinetic energy

This is kenetic energy.

Well it depends on the object or substance