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2 years ago

14

Which of the following objects will exert the greatest gravitational force on a box, if the distance between them remains the sa

me? 2 kg mass 4 kg mass 6 kg mass 8 kg mass

1 answer:

madreJ [45]2 years ago

7 0

If the surface between them is the same, then the largest force exerts the body with the largest mass, ie 8 kg

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A charged particle is surrounded by an electric field and a magnetic field

zlopas [31]

Answer:

yeah

Explanation:

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and isn't magnetic field the same as electric field.

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2 years ago

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A marble slides without friction in a vertical loop around the inside of a smooth, 28.6 cm diameter horizontal pipe. The marble'

Leviafan [203]

Answer:3.49 m/s

Explanation:

Given

Speed of marble at Bottom $v=4.22 m/s$

Diameter of loop $d=28.6 cm$

As Energy is conserved therefore Energy at top is equal to energy at bottom

$E_T=E_B$

$\frac{mv^2}{2}+mgh=\frac{mv_0^2}{2}$ ,where $v_0$ is the velocity at bottom

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2 years ago

How much Nitrogen (N) atoms are in this 3NH4Cl?

mihalych1998 [28]

Answer:

3

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3 years ago

Your GPS shows that your friend’s house is 10.0 km away. But there is a big hill between your houses and you don’t want to bike

kati45 [8]

Answer:

The value is $c = 8 \ km$

Explanation:

From the question we are told that

The distance of friends house from your point is $a = 10 \ km$

The distance of your friends street from your street is $b = 6 \ km \ in the \ direction \ towards \ the \ north$

The diagram illustrating this question is shown on the first uploaded image

From the diagram we can apply by Pythagoras theorem as follows

$a^2 = b^2 + c^2$

=> $c = \sqrt{^2 - b^2}$

=> $c = \sqrt{ 10^2 - 6^2}$

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3 years ago

A 12 kg block is accelerating at the rate of 9.0 m/s? while being acted on by two forces.

Aliun [14]

Answer:

See below

Explanation:

F = ma

F = 12 * 9 = 108 N

108 N needed <u> add 30 N more east </u>

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11 months ago