Acar travels along city streets at constant speed. first, it travels 200 m north. second, it travels 200 m east. third, it travels 200 m south. it took the car 40 seconds to travel from its initial position to its final position. what was the average velocity of the car?
a. (5.00 m/s, east)
b. 5.00 m/s
c. 15.0 m/s
d. (15.0 m/s, east)

What is the role of the ocular lens?

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

This is one type of line graph in which the independent variable is time plotted on the x axis and the dependent variable, also numerical, is plotted on the y axis.