The position of a particle as a function of time is given by râ =( 6.4 i^+ 3.5 j^)t2m, where t is in seconds.

Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?

Which of the following statement is false