A flat circular plate of copper has a diameter of 48.6cm and a mass of 62 kg. If copper has a density of 8.93 kg/m^3, calculate the area of the copper plate.
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Ответ:
Respuesta:
28,64 m/s.
Explicación:
Datos:
Altura o distancia recorrida: 40 m
Vo: 6 m/s
Aceleración de la gravedad: 9,81 m/s²
El ejercicio puede ser resuelto facilmente utilizando la siguiente formula, sin embargo es posible realizarlo utilizando formulas diferentes.
Entonces tenemos que:
Es importante saber que al estar lanzando el ladrillo hacia abajo, el sentido del movimiento sigue el sentido de la gravedad, es decir es necesario que tomes el valor de la gravedad como positivo (+) y no negativo (-) como normalmente se usa.
Sustituyendo tenemos que:
Que tengas un buen día!