Three positive point charges lie along the x - axis, as shown in the figure below. The charge q1 = 15 μC is at x = 2.0 m, the charge q2 = 6.0 μC is at the origin, and the
resultant force acting on q3 is zero. What is the x coordinate of q3?

Abaseball is thrown a distance of 20 meters. what is its speed if it takes 0.5 seconds to cover the distance

Write a question about how changing temperature affects the gas inside the sports ball

Aperson gives a shopping cart an initial push along a horizontal floor to get it moving, and then lets go. the cart travels forward along the floor, gradually slowing as it moves. consider the horizontal force(s) on the cart while it is moving forward and slowing. which of the following statements is correct? (a) both a forward and a backward force are acting on the cart, but the forward force is larger. (b) only a forward force is acting which diminishes with time. (c) both a forward and a backward force are acting on the cart, but the backward force is larger. (d) only a backward force is acting, no forward force.