Which of the following is the reason a wedge is used in a knife? a)increases the effort force b)decreases the effort force c)changes the direction of the effort force d)decreases the resistance force - for any ! < 3

Which two particles are found in the center of an atom

What would be the result of an alpha particle coming into a magnetic field? a) the alpha particle will stop moving. b) the alpha particle will reverse its direction. c) the alpha particle will be deflected in a curve path. d) the alpha particle will continue to travel in a straight line.

Atruck driver is attempting to deliver some furniture. first, he travels 8 km east, and then he turns around and travels 3 km west. finally, he turns again and travels 13 km to his destination. what is the drivers total displacement?