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Question
1 multiple choice 1 point what is the equation for calculating the momentum of an object? p = m^2v p = ma p = mv p = mv^2 2 multiple choice 1 point solve: p(before) = p(after) 2 kg×3 m/s = 1 kg×__m/s 5 m/s 0 m/s 3 m/s 6 m/s
Step1: Identificar la ecuación del momento
La ecuación para calcular el momento ($p$) de un objeto es $p = mv$, donde $m$ es la masa y $v$ es la velocidad.
Step2: Resolver el segundo problema
Dado que $P(before)=P(after)$, entonces $m_1v_1 = m_2v_2$. Sustituyendo los valores dados: $2\ kg\times3\ m/s=1\ kg\times v_2$. Resolviendo para $v_2$:
$$v_2=\frac{2\ kg\times3\ m/s}{1\ kg}=6\ m/s$$
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- C. $p = mv$
- D. $6\ m/s$