javlo4461
21.11.2020 •
Mathematics
The area of ABC is 100 square centimeters. The area of DEF is BLANK...
square centimeters.
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Ответ:
Wow, that d0uche Isabelle is still here -_-
Explanation:
Ответ:
La masa del automóvil, m₁ es 1,527.
kg
Explanation:
Calcule la masa de un automóvil que viaja a 22 m / sy con una cantidad de movimiento igual a la
de un camión de 1250 kg cuando viaja a 18 m / s
La velocidad dada del automóvil, v₁ = 22 m / s
La masa del camión, m₂ = 1250 kg
La velocidad del camión, v₂ = 22 m / s
El impulso del camión, P₂ = m₂ · v₂
∴ P₂ = 1.250 kg × 22 m / s = 27.500 kg · m / s
P₂ = 27.500 kg · m / s
Sea, P₁, la cantidad de movimiento del automóvil, y m₁ la masa del automóvil, tenemos;
P₁ = m₁ · v₁
P₁ = P₂ = m₁ · v₁
∴ m₁ = P₂ / v₁
∴ m₁ = 27,500 kg · m / s / (22 m / s) = 1,527.
kg
La masa del automóvil, m₁ = 1,527.
kg