6) If a mass of an object is decreased to half and acting force is reduced by quarter the acceleration of its motion,
a) Increases to its double
b)remains constant
d) Increases to its four times
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Aforce of 100 newtons is used to move an object a distance of 15 meters with a power of 50 watts. find the work dine and the time it takes to do the work

Consider an air-filled charged capacitor. how can its capacitance be increased?

Un conductor circula por una carretera en una velocidad de 90 km/h y b que se enciende la luz amarilla de un semáforo situado una distancia de 150 m. si el semáforo tarda tres segundos en cambiar a rojo el coche frena con una aceleración de 2 m por segundos 2¿ cometer una infracción ese conductor?