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bezimeni [28]
3 years ago
10

Una Fuerza F Aplicada a un objeto de masa m1 produce Una Aceleracion De 3.00m/s^2 La Misma Fuerza Aplicada a un segundo objeto d

e masa m2 Produce una Aceleracion De 1.00m/s^2a) Cual Es El Valor de la relacion m1/m2? B) Si m1 y m2 se combinan en un objeto ¿Cual Es Su Aceleracion Bajo La Accion De La Fuerza F?
Physics
1 answer:
Nesterboy [21]3 years ago
6 0

Answer:

(a)   m1/m2 = 1/3

(b)   a = 0.75m/s^2

Explanation:

You have the following relations:

For an object of mass m1:

F_1=m_1a_1=m_1(3.00m/s^2)       (1)

For an object of mass m2:

F_2=m_2a_2=m_2(1.00m/s^2)        (2)

(a) In order to calculate the quotient m1/m2 you use the fact that F1=F2=F.

You divide the equation (1) into the equation (2):

\frac{F_1}{F_2}=\frac{F}{F}=1=\frac{m_1(3.00m/s^2)}{m_2(1.00m/s^2)}\\\\1=3.00\frac{m_1}{m_2}\\\\\frac{m_1}{m_2}=\frac{1}{3}

The quotient m1/m2 = 1/3

(b) For the case of a mass of m1+m2, you have:

F=(m_1+m_2)a         (3)

To find the values of the acceleration you divide the previous equation into the equation (2):

\frac{F}{F}=1=\frac{(m_1+m_2)a}{m_2(1.00)}\\\\1=\frac{m_1}{m_2}a+\frac{m_2}{m_2}a=\frac{1}{3}a+a\\\\1=\frac{4}{3}a\\\\a=\frac{3}{4}

The new acceleratio for an object of mass m1+m2 is 3/4m/s^2 = 0.75m/s^2

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