A charge of +2.00 x 10°C is placed at the origin, and another charge of +4.00 x 10-°C is placed at x=1.5 m. Find the point between these two
charges where a charge of +3.00 x 10°C should be placed so that the
net electric force on it is zero.
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I’m just very confused and would appreciate it if someone could explain this physics problem to me <3

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

Very large accelerations can injure the body, especially if they last for a considerable length of time. one model used to gauge the likelihood of injury is the severity index ( ), defined as =/ . in the expression, is the duration of the accleration, but is not equal to the acceleration. rather, is a dimensionless constant that = the number of multiples of that the acceleration is equal to.in one set of studies of rear-end collisions, a person's velocity increases by 13.7 km/h with an acceleration of 36.0 m/s2 . let the + direction point in the direction the car is traveling. what is the severity index for the collision?

Unpolarized light of intensity i_0=750w/m^2 is incident upon two polarizers. after passing through both polarizers the intensity is i_2=280w/m^2. (a) what is the intensity of the light after it passes through the first polarizer in w/m^2? (b) write an equation for the angle between the polarizers in terms of the initial (i_0) and final (i_2) intensities. (c) find the angle between the polarizers in degrees.