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3 years ago

Two children ride side-by-side on a carousel. Their paths are shown in the image below.

Physics

1 answer:

Sonbull [250]3 years ago

5 0

Answer:

The child represented by a star on the outside path.

Explanation:

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3 years ago

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3 years ago

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A rock is suspended by a light string. When the rock is in air, the tension in the string is 43.8 N . When the rock is totally i

sergeinik [125]

Answer:

Density of unknown liquid is $2047 kg/m^3$

Explanation:

When rock is suspended in air then the weight of the rock is counter balanced by the tension force in the string

So here we have

$T = mg = 43.8 N$

now when the rock is immersed in water then the tension in the string is and buoyancy force due to water is counter balanced by the weight of the object

so here we have

$T_1 + F_b = mg$

$31.3 + F_b = 43.8$

$F_b = 43.8 - 31.3 = 12.5 N$

now we have

$(1000)V(9.81) = 12.5$

$V = 1.27 \times 10^{-3} m^3$

now when the rock is immersed into other liquid then we have

$T_2 + F_b' = mg$

$18.3 + F_b' = 43.8$

$F_b' = 25.5 N$

now we have

$\rho(1.27 \times 10^{-3})(9.81) = 25.5$

$\rho = 2047 kg/m^3$

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3 years ago

What is the function (job) of the genes in protein synthesis (how proteins are made in the cell)?

Alborosie

Answer:Most genes contain the information needed to make functional molecules called proteins. (A few genes produce regulatory molecules that help the cell assemble proteins.) The journey from gene to protein is complex and tightly controlled within each cell. It consists of two major steps: transcription and translation.

Explanation:

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2 years ago

Suggest a reason for stirring energy powder in water

notsponge [240]

Answer:

The stirring allows fresh solvent molecules to continually be in contact with the solute. If it is not stirred, then the water right at the surface of the solute becomes saturated with dissolved sugar molecules, meaning that it is more difficult for the additional solute to dissolve.

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3 years ago