An electron is released at rest above the surface of the earth. A second electron is directly below the first electron. This second electron exerts an electrostatic force on the first electron that exactly cancels the gravitational force. What is the distance between the two electrons

The place you get your hair cut has two nearly parallel mirrors 6.00 m apart. as you sit in the chair, your head is 2.00 m from the nearer mirror. looking toward this mirror, you first see your face and then, farther away, the back of your head. (the mirrors need to be slightly nonparallel for you to be able to see the back of your head, but you can treat them as parallel in this problem.) how far away does the back of your head appear to be?

Determine el momento angular de un rueda de 3000g moviendose a 10m/s con un radio de giro de 400cm

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages