Hey boys, say "make me" I dare you ;) .
.
.
.
.
.
.
.
.
goodnight:)

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

Explain why you think this diagram shows what happened to the carbon in the biodome.

Aspring is used to stop a 50-kg package which is moving down a 20º incline. the spring has a constant k = 30 kn/m and is held by cables so that it is initially compressed 50 mm. knowing that the velocity of the package is 2 m/s when it is 8 m from the spring and neglecting friction, determine the maximum additional deformation of the spring in bringing the package to rest.