1. Calcula la cantidad de movimiento de un oso de 450 kg que monta una bicicleta de 17 kg y se mueve a 9 m/s. (Recuerde que la ecuación para el momento es: momento = masa * velocidad)

30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve

Ineed ! using proper grammar, spelling, and punctuation, write at least one 5 sentence paragraph describing 3 ways we use the elements of the electromagnetic spectrum (ems) in our everyday lives.

Positive ions differ from neutral atoms in that