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2 years ago

Ribosomes can be found attached to the endoplasmic reticulum true or false.

SAT

1 answer:

Katena32 [7]2 years ago

4 0

Answer:

i believe that the correct answer is true

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A 100-n weight is hung at the middle of a 4-m long horizontal clothesline. If the middle of the clothesline sags by 1 m, what is

Elena L [17]

The tension on each segment of the clothesline is : 110 N

<u>Given data : </u>

mass of object = 100 n = 10 kg

Horizontal distance of clothesline = 4 m

middle of clothesline sag s by : 1m

<h3 /><h3>Determine the tension on each segment of clothesline</h3>

<u>First step</u> : calculate the horizontal angle made by the sagging

β = arctan ( 1 m / 2m ) ----- ( 1 )

= arctan ( 0.5 )

≈ 26.57°

Note : Tension in th y axis ( Ty ) = Tsinβ

Therefore :

Tension on each segment can be calculated using the formula below

2Tsinβ - mg = 0

solve for T

T = mg / 2sinβ

= ( 10 * 9.8 ) / 2 * sin 26.57°

= 98 / 0.89

= 110 N

Hence we can conclude that the tension on each segment of the clothesline is : 110 N

Learn more about Tension calculations : brainly.com/question/24994188

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2 years ago

A sample of aluminum metal absorbs 9. 86 j of heat, upon which the temperature of the sample increases from 23. 2°c to 30. 5°c.

Alenkinab [10]

Answer:

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Explanation:

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2 years ago

Jackie says that 200 ÷ 18 is he corrct

Dmitriy789 [7]

Answer:

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3 years ago

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juin [17]

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3 years ago

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A sample of oxygen gas is confined at 127°c and 0.80 atm. if volume of the container holding the gas stayed the same, what would

sveticcg [70]

Based on the calculations, the pressure of this gas sample at 27°C is equal to 0.17 atm.

<h3>How to determine the final pressure.</h3>

In order to calculate the final pressure of an ideal gas at constant volume, we would apply Gay Lussac's law.

Mathematically, Gay Lussac's law is given by this formula;

$P\;\alpha \;T\\\\P=kT$

<u>Where:</u>

P is the pressure.

T is the temperature.

k is the constant of proportionality.

Substituting the given parameters into the formula, we have;

$\frac{P_1}{T_1} =\frac{P_2}{T_2} \\\\\frac{0.80}{127} =\frac{P_2}{27} \\\\0.0063 =\frac{P_2}{27}\\\\P_2 = 0.0063 \times 27$

Final pressure = 0.17 atm.

Read more on temperature here: brainly.com/question/888898

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2 years ago