please help !! After the collision, the two cars stick together. Find the final velocity of the two cars.

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k

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.