Un automóvil tiene una energía cinética traslacional de 3 × 105 J y se detiene después de recorrer 30 m. Calcular la magnitud de la fuerza media que ah actuado para detenerlo.

Which of the following describes something an engineer would probably do first when developing new technology meant to reduce ocean pollution? o a. evaluate the benefits and challenges of using certain chemicals to purify water. o b. research new scientific findings in regard to ocean cleanup. o c. identify the need to reduce ocean pollution. o d. research what has been done in the past to clean up oceanic oil residue.

What does the term discrediting mean?

If 21.2 kcals of energy is released by this reaction, how many kj does the reaction release? (1 cal 4.184 j)