Jack traveled 360 km at an average speed of 80 km/h Elaine took 1.5 hours more to complete the same amount of distance what was Elaine's average speed for the whole journey

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.

Under the action of a constant force an object accelerates at 7.8 m/s2. what will the acceleration be if (a) the force is halved? (b) the object's mass is halved? (c) the force and the object's mass are both halved? (d) the force is halved and the object's mass is doubled?

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?