if you were to observe the moon through a telescope you would see many dark impact craters from meteoroids. the moon is relatively close to earth and is also in the path of these meteoroids. why is the earth’s surface not covered by the same impact craters ?

Lets say that an object of a certain volume has a certin mass. what happens to its mass when you double its volume?

Which of the following is not am example of a polymer? protein nylon kevlar concreta

Alarge cruise ship of mass 7.00 ✕ 107 kg has a speed of 11.6 m/s at some instant. (a) what is the ship's kinetic energy at this time? (b) how much work is required to stop it? (give the work done on the ship. include the sign of the value in your answer.) (c) what is the magnitude of the constant force required to stop it as it undergoes a displacement of 3.00 km?