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3 years ago

A 59 kg block is positioned 2.0 meters away from another 59 kg block. What is the gravitational force exerted on each object?

Physics

1 answer:

Natali [406]3 years ago

4 0

Answer:

Explanation:

The gravitational force equation is

$F_g=\frac{Gm_1m_2}{r^2}$ where G is the gravitational constant. Filling in with what we are given and what we know to be true:

$F_g=\frac{6.67*10^{-11}(59)(59)}{(2.0)^2}$ which, when you do the math, comes out to be

$F_g=5.8*10^{-8}N$ , choice A.

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Assume a comet is traveling at a constant velocity in deep space. Why would it speed up as it approaches our solar system?

allsm [11]

D
The comet has no net force acting on it, which results in constant velocity. Near our solar system, the influence of the gravitational forces due to the sun and the planets will increase as we know that gravitational force is:
F = GMm/r²
The net force will produce an acceleration on the comet, which will cause its velocity to change.

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3 years ago

A Submerged Ball Part A A ball of mass mb and volume V is lowered on a string into a fluid of density Pi (Figure 1) Assume that

frozen [14]

Answer:

T = mg - $\rho_f$ ×V×g

Explanation:

Here we have the mass of the ball is given as $m_b$

The density of the fluid = $\rho_f$

The volume of the ball = V

Acceleration due to gravity = g

According to Archimedes's principle, the upthrust = Weight of fluid displaced

Tension in string = T = weight of ball - upthrust

T = mg - $\rho_f$ ×V×g

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3 years ago

Please Help!! When do ionic bonds occur?

iren2701 [21]

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8 0

3 years ago

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madam [21]

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3 years ago

The 2.6-kg collar is released from rest at A and slides down the inclined fixed rod in the vertical plane. The coefficient of ki

neonofarm [45]

Answer:

The attached diagram explains the system,

Sum of Fy = 0

N=9.81

N - mgCos60 = 0

F= ukN= (0.53)(9.81) =

F= 5.12 N

F.d= 1/2(mv.v) - mgdsin60

-5.12*0.5 = 0.5*v^2 - 2*(9.81)*(0.5*sin60)

(a) v = 2.436 m/s

For deflection

-F.x = 1/2(mv.v) - mgxsin60 + 1/2 (k*x*x)

by solving for with values of v, m, g, F, k

800x^2 - 11.87 x - 5.938 = 0

by solving the quadratic equation

x = 0.093, -0.079

(b) x = 0.093 m

correct Answer is 0.093m

Explanation:

3 0

3 years ago