An old Chrysler with mass 2500 kg is moving along a straight stretch of road at 84 km/h. It is followed by a Ford with mass 1300 kg moving at 58 km/h. How fast is the center of mass of the two cars moving?

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.