A train engineer drives a train 235 km north along a straight track. Then he drives the train back south 126 km. Finally, he drives north again 45 km to his final destination. What is the engineer's total magnitude of its displacement?

Where is the most common place you see Plasma?

Which is a property of laser light that makes it useful for cutting metals? A. its focused energy B. its single color C. its scattered energy D. its multiple colors

What is a prokaryotic and eukaryotic cell?

The Sun formed when a rotating cloud of gas and dust that was bigger than the present solar system contracted under the influence of its own gravity. According to conservation of angular momentum, as the cloud shrunk in size, its rotation period (i.

4. Which statement is correct? a. The inside of the thigh is lateral to the outside of the thigh b. The shoulder is lateral to the neck c. The knee is lateral to the hip d. The ankle is medial to the foot

What energy do electrons have when they are farther away from the nucleus?

200 525000 lololo Boat A is 10 km north of a port. Boat B is 5 km east of the same port. Boat A sails in a straight line towards boat B. Work out the bearing on which boat A sails.

Is Li greater than He on the periodic table?

White light falls on a yellow filter, if: (a) A green filter is placed behind a yellow filter, what is the colour of the light that will emerge from the green filter?

Calculate the energy equivalent in joules of the mass of a proton. [Show all work, including the equation and substitution with units.]