A cross-section of two infinite lines of charge extends out of the page. The linear charge densities are ±λ.
Find an expression for the electric field strength E at height y above the midpoint between the lines. Express your answer in terms of the variables λ, y, d and appropriate constants.

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

Which statements describe the movement of ocean currents around the globe? check all that apply. strong winds force warm water to sink to the ocean floor. the coriolis effect causes warm and cold water to mix. cool dense water sinks to the ocean floor. warm water replaces cool surface water. wind blowing parallel to the shore causes upwelling of cool water.

The material that keeps its new shape after it is stretched is called?