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AveGali [126]
3 years ago
10

PLEASE HELP ME WHATS THE ANSWER ???

Physics
1 answer:
otez555 [7]3 years ago
8 0

Answer:

A

Explanation:

VIRTUAL, UPRIGTH AND REDUCED

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Three identical very dense masses of 7500 kg each are placed on the x axis. One mass is at x1 = -100 cm , one is at the origin,
sukhopar [10]

Answer:

0.00354 (N)

Explanation:

Convert to metric system:

x_1 = -100 cm = 1 m

x_2 = 420 cm = 4.2 m

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F_g = G\frac{mM}{s^2}

where s is the distance between 2 bodies masses m and M

Substitute the number to the formula above and since the 2 forces are acting in opposite direction, the total net gravitational force on the mass of origin be:

F_g = F_{g1} - F_{g2}

F_g = G\frac{m_1M}{x_1^2} - G\frac{m_2M}{x_2^2}

F_g = GM(\frac{m_1}{x_1^2} - \frac{m_2}{x_2^2})

F_g = 6.67*10^{-11} * 7500 (\frac{7500}{1^2} - \frac{7500}{4.2^2})

F_g = 5*10^{-7}(7500 - 425.17)

F_g = 5*10^{-7} * 7074.83

F_g = 0.00354 (N)

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3 years ago
It is hot outside, and the air conditioning has been turned on inside two buildings. Building A's walls contain insulation, but
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building A because the insulation will keep the air in the building while more so building b will let the air flow out because there is no insulation

Explanation:

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