When should the power switch be in the off position

Avalue that describes how heavy an object is and is related to the force of gravity is

Explain to someone who knows nothing about fossils the study of invertebrate paleontology and how it scientists understand the history of the earth. be sure your explanation contains a minimum of two complete sentences.

Determine el momento angular de un rueda de 3000g moviendose a 10m/s con un radio de giro de 400cm