The Rocks have remained on top of the screen, while the sand and water have passed through it.
Yes because without movement the tow truck will not be moved with 15,000 N
Hello!
Find the Energy of the Photon by Planck's Equation, given:
E (photon energy) =? (in Joule)
h (Planck's constant) = 
f (radiation frequency) =
Therefore, we have:





I Hope this helps, greetings ... DexteR! =)