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3 years ago

What two things increase the gravitational pull between two objects?

2 answers:

8 0

Two things that increase the gravitational pull between two objects are decreasing the distance between the objects and increasing the mass of the objects. the force due to gravity is F = GMm/(r^2) where G is the gravitational constant, M and m are the masses of the two objects, and r is the distance between them.

stiv31 [10]3 years ago

5 0

In order to increase the gravitational forces between two objects,
you have exactly two choices:

-- Increase the product of the two masses.

-- Decrease the distance between their centers of mass.

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an object which has a mass of 70 kg is sitting on a cliff 10 m high calculate the objects gravitational potential energy given g

Alex73 [517]

GPE = mgh (for objects close to earth where g can be considered to be constant) Where m is the mass, g is the acceleration due to gravity (which the question has told us to assume is 10ms^-2), and h is the height of the object.

Substituting the values in:
GPE = 70*10*10 = 7000J

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3 years ago

A high fountain of water is located at the center of a circular pool. Not wishing to get his feet wet, a student walks around th

Alisiya [41]

Answer:

The fountain is 3.43 m high.

Explanation:

Circumference of the pool = 15 m.

C = 2 $\pi$ r

where C is the circumference and r its radius.

r = $\frac{C}{2\pi }$

= $\frac{15}{2(\frac{22}{7}) }$

r = 2.3864

radius of the pool = 2.40 m

So that the height of the fountain, h, can be determined by applying trigonometric function.

Tan θ = $\frac{opposite}{adjacent}$

Tan 55 = $\frac{h}{2.4}$

h = Tan 55 x 2.4

= 1.4282 x 2.4

= 3.4277

h = 3.43 m

The height of the fountain is 3.43 m.

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soldier1979 [14.2K]

Answer:

A procedure according to the norms.

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