18*60=1080 feet per min
18 times 60 (seconds in a minute) = 1,080 feet in 1 min
Leonardo can travel 1,080 feet in one minute, as he skateboards at a speed of 18 feet per second. This is calculated by multiplying his speed by the total seconds in a minute (60 seconds). Thus, the formula used is distance = speed × time.
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Penyelesaian[tex]L_0 = 10 ~cm[/tex][tex]L_2 = 14~ cm[/tex]gaya berat: [tex]g = 10~\text{m/s}^2[/tex][tex]\Delta x = L_2 - L_0[/tex][tex]= 14- 10[/tex][tex]4~\text{cm} = 0,04~\text{m}[/tex][tex]F = m \cdot g = 2 \times 10[/tex][tex]= 20~\text{N}[/tex][tex]F = k \Delta x[/tex][tex]k = \frac{F}{\Delta x}[/tex][tex]= \frac{20}{0,04}[/tex][tex]= 500~ \text{N/m}[/tex][tex]F_{baru} = 4 \times 10[/tex][tex]= 40~\text{N}[/tex][tex]\Delta x_{baru} = \frac{F_{baru}}{k}[/tex][tex]= \frac{40}{500}[/tex][tex]0,08~ \text{m} = 8~\text{cm}[/tex][tex]L_{4} = L_0 + \Delta x_{baru}[/tex][tex]= 10 + 8[/tex][tex]= 18~\text{cm}[/tex]panjang pegas = 18 cm