please check my answers.

20. does the international space station have gravitational pe? ke? explain?
-It has gravitation pe.
I thought that Gravitational potential energy is the energy stored in an object as the result of its vertical position or height?

30.a moving hammer hits a nail and drives it into a wall. if the hammer hits the nail with twice the speed, how much deeper will the nail be driven? if it hits with three times the speed?

work = velocity^2
force*distance=velocity^2
distance is proportional to velocity^2
so what is twice square?

would it be 4 times?

Similar Questions
  1. The International Space StationKathy Hufford The International Space Station is a large spacecraft. It orbits around Earth. It
    1. answers icon 1 answer
  2. 20. does the international space station have gravitational pe? ke? explain?-It has gravitation pe. I thought that Gravitational
    1. answers icon 2 answers
  3. ISS: International Space StationISS: International Space Station A reusable spacecraft that launches like a rocket and lands
    1. answers icon 1 answer
    1. answers icon 1 answer
more similar questions