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pav-90 [236]
3 years ago
9

A compound machine is also called a _____ machine.

Physics
1 answer:
SCORPION-xisa [38]3 years ago
7 0

Complex. They both mean a machine which involves two or more simple machines.

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When a star goes from the main sequence to the red giant phase, it becomes larger rather than smaller. This is true because grav
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Which force is greater the earth’s pull on the moon or the moon’s pull on the earth
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The earth's pull on the moon

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Earth exerts a gravitational pull on the moon 80 times stronger than the moon's pull on the Earth.

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4. A gas's solubility is best in a liquid solvent when the solution is under high or low pressure
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Medicine A is an effective treatment for the common cold a study was conducted to test the effectiveness of medicine A which que
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According to my research I found questions with the same info with option choices and they are:

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3 years ago
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A 120-kg object and a 420-kg object are separated by 3.00 m At what position (other than an infinitely remote one) can the 51.0-
djverab [1.8K]

Answer:

1.045 m from 120 kg

Explanation:

m1 = 120 kg

m2 = 420 kg

m = 51 kg

d = 3 m

Let m is placed at a distance y from 120 kg so that the net force on 51 kg is zero.

By use of the gravitational force

Force on m due to m1 is equal to the force on m due to m2.

\frac{Gm_{1}m}{y^{2}}=\frac{Gm_{2}m}{\left ( d-y \right )^{2}}

\frac{m_{1}}{y^{2}}=\frac{m_{2}}{\left ( d-y \right )^{2}}

\frac{3-y}{y}=\sqrt{\frac{7}{2}}

3 - y = 1.87 y

3 = 2.87 y

y = 1.045 m

Thus, the net force on 51 kg is zero if it is placed at a distance of 1.045 m from 120 kg.

6 0
3 years ago
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