why dont they add a flintlock rifle in minecraft? we have wood, steal, gunpowder! make it be uncraftable just add a new weapon

How much work would be needed to raise the payload from the surface of the moon (i. e., x = r) to an altitude of 5r miles above the surface of the moon (i. e., x = 6r)?

Ashot putter releases the shot some distance above the level ground with a velocity of 12.0 m/s, 51.0 ∘above the horizontal. the shot hits the ground 2.08 s later. you can ignore air resistance. how far did she throw the shot?

If you let go of the notebook after lifting it, will it move? how?