Math  /  Algebra

Question2. (4 punti)
Una gru, il cui motore ha una potenza di 3,00 kW3,00 \mathrm{~kW}, solleva di 10,4 m10,4 \mathrm{~m}, a velocità costante, un carico che ha massa di 359 kg . Calcola il tempo impiegato dalla gru per sollevare il carico.

Studdy Solution
Use the power formula to find the time taken.
Power P P is given by: P=Wt P = \frac{W}{t} Rearranging for time t t : t=WP t = \frac{W}{P}
Substitute the known values: t=36626.6163000 t = \frac{36626.616}{3000}
t=12.208872s t = 12.208872 \, \text{s}
Rounding to three significant figures, the time taken is: 12.2s \boxed{12.2 \, \text{s}}

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