Roger wants to get fit but at the moment he can't afford to buy his own...
Roger wants to get fit but at the moment he can't afford to buy his own gym equipment so he decides to improvise. For instance, he uses two left-over paving bricks as dumbbells. If each brick has a mass of 2.3 kg, what is the power required to lift each brick 0.75 min 2 s? Select one: O A. 4.23 W O B. 6.90 W O C. 9.84 W O D. 8.46 W