Three identical point charges ( 2.0 nc are placed at the corners of an equilateral triangle with sides of 2.0-m length. if the electric potential is taken to be zero at infinity, what is the potential (in v at the midpoint of any one of the sides of the triangle?

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

Aparticle moves in the xy plane with constant acceleration. at time zero, the particle is at x = 6 m, y = 8.5 m, and has velocity ~vo = (9 m/s) ˆı + (−2.5 m/s) ˆ . the acceleration is given by ~a = (4.5 m/s 2 ) ˆı + (3 m/s 2 ) ˆ . what is the x component of velocity after 3.5 s? answer in units of m/s.