A delivery van drives for 30 minutes and travels 50 miles. The delivery van turns around and drives 20 miles in 15 minutes. The van waits at this location for 5 minutes. Turns around again and drives another 100 miles for 65 minutes.
What is the displacement?

Which of these describe conduction transfer of heat between two objects that are touching transfer of heat by the actual movement of war matter the process in which energy is imitated by one of the object transmitted through space and absorbed by another a process in which energy is released by the molecules breaking apart

The consumption of fossil fuels could be

Abeam of electrons with of wavelength of 7.5 x 10-6 m is incident on a pair of narrow rectangular slits separated by 0.75 mm. the resulting interference pattern is projected onto a screen 10.0 m from the slits. what is the separation of the interference maxima in the resulting interference pattern?