Stars move in predictable patterns in the night sky. describe how the stars visible to an observer on earth change over the course of a year.

explain how this pattern is caused by the orbit of earth around the sun.

Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?

One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form

Aparticle moves in a circle 1.50 m in radius . through what angle in radians does it rotate if it moves through an arc length of 2.50m? what is the angle in degrees?