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adell [148]
3 years ago
10

Which of the following quantities is inversely proportional to the gravitational pull between two objects?

Physics
2 answers:
Contact [7]3 years ago
7 0

Answer:

C

Explanation:

Since gravitational force is inversely proportional to the square of the separation distance between the two interacting objects, more separation distance will result in weaker gravitational forces

I hope this helps a little bit

Ket [755]3 years ago
6 0

The correct Option is :

=》(C) The square of the distance that separates them

  • f  \:  \: \dfrac{1}{ \alpha }   \: \: r {}^{2}

where,

f = gravitational force

r = distance between the objects

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1-D catch-up: Two cars move with constant velocities. At t = 0, a blue car is at xBo = 20 m. After t = 4s in the blue car time f
OlgaM077 [116]

Answer:

5.71 m/s ;

20 m/s

Explanation:

Blue car:

At time, t = 0 ; Initial position = 20 m

Final position, = 60m after 4 seconds

The velocity = change in distance / change in time.

Velocity of blue = (60 - 20)m ÷ ((4 + 3) - 0),

Velocity of blue car = 40 / 7

= 5.71 m/s

Red car:

Initial Position = 0 ; final Position = 60

Time taken = 3 seconds

Velocity of Red car = (60 - 0)m ÷ 3

Velocity of Red car = 60 / 3

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3 years ago
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Suppose you have an object tied to a rope and are rotating it over your head in uniform circular motion. What would have to do t
Crazy boy [7]

Answer:

We must duplicate the length of the rope (R'=2R) to get

F'=\frac{1}{2}F

Explanation:

The equation of the centripetal force is given by:

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Where:

R is the length of the rope

m is the mass of the object

v is the speed of the object

If we want to reduce the centripetal force in half, we can duplicate the length of the rope (R'=2R), which means:

F'_{c}=m\frac{v^{2}}{R'}

F'_{c}=m\frac{v^{2}}{2R}

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I hope it helps you!

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Answer:

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Explanation:

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