A force does 130j of work while it acts on a moving object, Ask an Expert

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Q. A force does +130J of work while it acts on a moving object and its direction is in the same direction as the object's displacement. How much work does this force do as the angle between it and the object's displacement is 56°?

Q. A tank is in the shape of an inverted cone, having height h = 2.90m and base radius r = 0.70m. If water is poured into the tank at a rate of 16 L/s, how long would it take to fill the tank?

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