Jack runs 400 yards due South and 300 yards due West to get to school. What's the magnitude of the displacement from Jack's home to the school (in yards)?
600 yards
450 yards
500 yards
700 yards

Answer as quick as ! kate is working on a project in her tech education class. she plans to assemble a fan motor. which form of energy does the motor convert most of its electric energy into? a. light energyb. motion energyc. sound energyd. thermal energy

Aparticle initially located at the origin has an acceleration of = 2.00ĵ m/s2 and an initial velocity of i = 8.00î m/s. find (a) the vector position of the particle at any time t (where t is measured in seconds), (b) the velocity of the particle at any time t, (c) the position of the particle at t = 7.00 s, and (d) the speed of the particle at t = 7.00

Answer fast! which lens can produce a virtual image and a real image? concave lens convex lens flat lens