If I head butt a Soccer Ball with 125N of force what force does the Soccer Ball exert on my head?

Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?

You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.

Aperson touches a large chunk of ice with their hand and remarks, “this is making me cold.” explain what this person is feeling. is the ice transferring “cold” to the person? is there a heat transfer occurring? explain.