John is trapped in a maze. To find his way out, he walks 10 m, makes a 90o right turn, walks 4 m, makes another 90o turn and walks 7 m. What is his displacement from his initial position? ​

Which expression allows you to determine the mechanical advantage of an inclined plane? a. height of plane / input force b. length of plane / input force c. length of plane / height of plane d. height of plane / length of plane

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge

However, had it been a real sound, the sound's pitch would have been increased by the doppler effect, since the falcon was moving the source of the sound. perpendicular to away from towards at the same speed as