1) Is it possible to have ____. If so, illustrate with a diagram.

2) Four vectors, each of magnitude 2.50 m, are shown in the figure. (a) Express each in unit vector notation. (b) Express their sum in unit vector notation. (c) What is the magnitude and direction of their sum?

evalute the following and use the correct number of significant figures. show all work .

2.35cm x 4.6 cm 

A pilot is flying over a straight highway. He determines the angles of depression to two mileposts, 5 mi apart, to be 32° and 48°, as shown in the figure.

1. (a) Find the distance of the plane from point A.
2. (b) Find the elevation of the plane.

Two people stand 6.0m apart and 4.0m away from a large planemirror in a dark room.
At what angle of incidence should one of them shine a flashlight onthe mirror so that the reflected beam directly strikes the otherperson?
Please show all work, Thank you.