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Charra [1.4K]
3 years ago
14

At the surface of the moon, the acceleration due to the gravity of the moon is x. At a distance from the center of the moon equa

l to four times the radius of the moon, the acceleration due to the gravity of the moon is _____.
Physics
1 answer:
krok68 [10]3 years ago
7 0

Answer:

Gravity at a distance of 4R will be reduced to 1/16 th.

Explanation:

Given:

At the surface of the moon, the acceleration due to the gravity of the moon is x.

We have to find the gravity a t a distance of 4 times from the center of the moon.

Let the radius of the moon be "R".

And

The value of acceleration due to gravity is g_m .

Formula:

⇒ g_m=\frac{GM}{R^2}   ...where M is the mass of the moon.

Now

Gravity of the moon at the its surface:

⇒ g_m=\frac{GM}{R^2}    ...equation (i)

Gravity of the moon at a distance of  4R:

⇒ g_m_1=\frac{GM}{(4R)^2}

⇒ g_m_1=\frac{GM}{16R^2}   ...equation (ii)

Dividing equation (i) with (ii) to find the relationship between the two.

⇒ \frac{g_m_1}{g_m} =\frac{GM}{16R^2}\times \frac{R^2}{GM}

⇒ \frac{g_m_1}{g_m} =\frac{1}{16}

⇒ g_m_1 =g_m(\frac{1}{16})

⇒ g_m_1 =x(\frac{1}{16})    ...as gm=x at the surface.

So,

We can say that the gravity at a distance of 4R will be reduced to 1/16 th.

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Mass m moves to the right with speed =v along a frictionless horizontal surface and crashes into an equal mass m initially at re
Amiraneli [1.4K]

After the collision the magnitude of the momentum of the system is Mv

Given:

mass of 1st object = M

speed of 1st object = v

mass of 2nd object = M

speed of 2nd object = 0

To Find:

magnitude of the momentum after collision

Solution: Product of the mass of a particle and its velocity. Momentum is a vector quantity; i.e., it has both magnitude and direction. Isaac Newton's second law of motion states that the time rate of change of momentum is equal to the force acting on the particle.

Applying conservation of linear momentum

Mv + M(0) = 2MV

Mv = 2MV

V = v/2

So, after collision momentum is

p = 2MV = 2xMxv/2 = Mv

So, after collision momentum is Mv

Learn more about Momentum here:

brainly.com/question/1042017

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4 0
2 years ago
Determine the equivalent capacitance between points a and <br> b.
Solnce55 [7]
Where is the figure ?
7 0
3 years ago
Monochromatic light falls on two very narrow slits 0.046 mm apart. Successive fringes on a screen 6.20 m away are 8.9 cm apart n
Elanso [62]

Answer:

λ = 6.602 x 10^(-7) m

Explanation:

In a double-slit interference experiment, the distance y of the maximum of order m from the center of the observed interference pattern on the screen is given as ;

y = mλD/d

Where;

D is the distance of the screen from the slits = 6.2 m

d is the distance between the two slits = 0.046 mm = 0.046 x 10^(-3) m

The fringes on the screen are 8.9 cm = 0.089 m apart from each other, this means that the first maximum (m=1) is located at y = 0.089 m from the center of the pattern.

Therefore, from the previous formula we can find the wavelength of the light:

y = mλD/d

So, λ = dy/mD

Thus,

λ = (0.046 x 10^(-3) x 0.089)/(1 x 6.2)

λ = 6.602 x 10^(-7) m

8 0
3 years ago
What is diffrence between damping and undamping?​
ICE Princess25 [194]

Answer:

Oscillation whose amplitude reduce with time are called damped oscillation. This happen because of the friction. In oscillation if its amplitude doesn't change with time then they are called Undamped oscillation

7 0
3 years ago
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Is The force of friction always opposite to the motion? ​
Taya2010 [7]

Answer:

Friction force always acts tangent to the surface at points of contact. Friction force acts opposite to the direction of motion.

Explanation:

8 0
3 years ago
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