Balance rock has a mass of about 36,000 kg. if the acceleration due to gravity is 9.8 m/s2, what is the force that the rock is exerting on its pedestal?

What type of electromagnetic wave is used in security pens? a. x-rays c. microwaves b. visible light d. ultraviolet radiation select the best answer from the choices provided

Física: un futbolista patea hacia el arco con una velocidad de 15m/ah, calcular: a)el alcance para un ángulo de tiro de 25? , b) el tiempo que el balón permanece en el aire.

How many atoms of nitrogen are in the chemical formula ni(w on