A person in a rocking chair completes 14 cycles in 22 seconds.

Part A) what is the period of the rocking?.

Part B) what is the frequency of the rocking?.

The substances that are necessary for producing of certain hormones and that store and transport vitamins

The solid that is formed and usually sinks to the bottom of a solution is the

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.