Dane
t = 10s
m = 1kg
F = 20N
Szukane
a = ?
s = ?
Wzory
[tex]F = ma | \div m \\ a = \frac{F}{m} \\ \\ \\ s = \frac{a {t}^{2} }{2} [/tex]
Obliczenia
[tex]a = \frac{20N}{1kg} = \frac{20kg \times \frac{m}{ {s}^{2} } }{1kg} = 20 \frac{m}{ {s}^{2} } [/tex]
[tex]s = \frac{20 \frac{m}{ {s}^{2} } \times (10s {)}^{2} }{2} = \frac{20 \frac{m}{ {s}^{2} } \times 100 {s}^{2} }{2} = \frac{2000m}{2} = 1000m = 1km[/tex]
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Dane
t = 10s
m = 1kg
F = 20N
Szukane
a = ?
s = ?
Wzory
[tex]F = ma | \div m \\ a = \frac{F}{m} \\ \\ \\ s = \frac{a {t}^{2} }{2} [/tex]
Obliczenia
[tex]a = \frac{20N}{1kg} = \frac{20kg \times \frac{m}{ {s}^{2} } }{1kg} = 20 \frac{m}{ {s}^{2} } [/tex]
[tex]s = \frac{20 \frac{m}{ {s}^{2} } \times (10s {)}^{2} }{2} = \frac{20 \frac{m}{ {s}^{2} } \times 100 {s}^{2} }{2} = \frac{2000m}{2} = 1000m = 1km[/tex]