Explicación paso a paso:
Vo = 15 km/h
Vf = 60 km/h
T = 20s
a =?
Reemplazamos en la fórmula
[tex]a = \frac{vf - vo}{t} [/tex]
[tex]a = \frac{60 \frac{km}{h } - 15 \frac{km}{h} }{20s} [/tex]
[tex]a = \frac{45 \frac{km}{h} }{20s} [/tex]
Convertimos km/h a m/s
[tex]45 \frac{km}{h} \times \frac{1h}{3600s} \times \frac{1000m}{1km} = 12.5 \frac{m}{s} [/tex]
[tex]a = \frac{12.5 \frac{m}{s} }{20s} = 0.625 \frac{m}{ {s}^{2} } [/tex]
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Explicación paso a paso:
Vo = 15 km/h
Vf = 60 km/h
T = 20s
a =?
Reemplazamos en la fórmula
[tex]a = \frac{vf - vo}{t} [/tex]
[tex]a = \frac{60 \frac{km}{h } - 15 \frac{km}{h} }{20s} [/tex]
[tex]a = \frac{45 \frac{km}{h} }{20s} [/tex]
Convertimos km/h a m/s
[tex]45 \frac{km}{h} \times \frac{1h}{3600s} \times \frac{1000m}{1km} = 12.5 \frac{m}{s} [/tex]
[tex]a = \frac{12.5 \frac{m}{s} }{20s} = 0.625 \frac{m}{ {s}^{2} } [/tex]