In the figure, charge q1 = 3.1 × 10-6 C is placed at the origin and charge is placed on the x-axis, at x = -0.20 m. Where along the x-axis can a third charge be placed such that the resultant force on this third charge is zero?

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

If a simple machine reduces the strength of a force, what must be increased?

Which of these statements best explains how the hydrosphere interacts with the atmosphere to affect global climate? mountains block rain clouds and cause changes in global rainfall and evaporation. humans burn fossil fuels to produce greenhouse gases which cause global warming. humans cut down trees which affects the amount of oxygen in different parts of the globe. greenhouse gases, like carbon dioxide, dissolve in oceans and prevent global warming.