Two balls are at the same time height and released at the same time. One ball is dropped and hits the ground 5 s later. The other initially moves horizontally. When does the second ball hit the ground? How far does it travel horizontally?

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.

Is a pencil falling to the floor anon contact force, a force, or a contact force

What does the symbol (–hfus) indicate in a phase change?