Two charges are placed on the x axis. one of the charges (q1 = +9.1 µc) is at x1 = +2.8 cm and the other (q2 = -22 µc) is at x2 = +8.4 cm. (a) find the net electric field (magnitude and direction) at x = 0 cm. (use the sign of your answer to indicate the direction along the x-axis.) n/c (b) find the net electric field (magnitude and direction) at x = +5.8 cm. (use the sign of your answer to indicate the direction along the x-axis.) n/c

Which expression is equivalent to √ -80?

The parking lot of a store has the shape shown. all angles are right angles. what is the area of the parking lot?

Suppose there is a simple index of three stocks, stock abc, stock xyz, and stock qrs. stock abc opens on day 1 with 4000 shares at $3.15 per share. stock xyz opens on day 1 with 5000 shares at $4.30 per share. stock qrs opens on day 1 with 6000 shares at $4.60 per share. the price of stock abc on day 8 begins at $3.50. the price of stock xyz on day 8 begins at $3.90. stock qrs opens on day 8 with a price of $4.50 per share. assume that each stock has the same number of shares that it opened with on day 1. what is the rate of change of this simple index over 1 week?