your skelton it is there for support protection and movement but you could not move your bones without the help of your _ system

Arocket starts from rest and moves upward from the surface of the earth. for the first 10.0 s of its motion, the vertical acceleration of the rocket is given by ay = 12.80 m/s32t, where the +y-direction is upward. (a) what is the height of the rocket above the surface of the earth at t = 10.0 s? b) what is the speed of the rocket when it is 325 m above the surface of the earth?

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?

What does the law of conservation of mass state?