Charles's law states that at a constant pressure, the volume of a given amount of gas is _____ to its absolute temperature.

Answers

Answer 1

Answer: Directly Proportional

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Bats use ultrasound in echolocation. This sound is characterized by __low frequencylow amplitudehigh frequencyhigh amplitude

as you are leaving a building, the door opens outward. if the hinges on the door are on your right, what is the direction of the angular velocity of the door as you open it?

Answers

The correct answer for the question that is being presented above is this one: "B) down." As you are leaving a building, the door opens outward. if the hinges on the door are on your right, the angular velocity of thedoor as you open it us 'down.'

Here are the following choices:
A) up
B) down
C) to your left
D) to your right

The large blade of a helicopter is rotating in a horizontal circle. The length of the blade is 6.58 m, measured from its tip to the center of the circle. Find the ratio of the centripetal acceleration at the end of the blade to that which exists at a point located 4.78 m from the center of the circle.

Answers

Answer:1.37

Explanation:

Given

Length of Blade $L=6.58 m$

Let blades be rotating at an angular velocity of $\omega$

centripetal acceleration at any radial distance r is given by

$a_c=\omega ^2\cdot r$

at $r=6.58$

$a_c_1=\omega ^2\cdot 6.58$

at $r=4.78 m$

$a_c_2=\omega ^2\cdot 4.78$

thus $(a_c_2)/(a_c_1)=(\omega ^2\cdot 4.78)/(\omega ^2\cdot 6.58)$

$(a_c_2)/(a_c_1)=0.72$

$(a_c_1)/(a_c_2)=1.37$

Final answer:

Centripetal acceleration depends inversely on the radius. The ratio of the centripetal accelerations at the end of the blade and at 4.78m from the center is approximately 0.73.

Explanation:

The centripetal acceleration of an object moving in a circle of radius r is given by the formula ac = v²/r, where v is the tangential velocity of the object. In this scenario, the velocity at both points on the blade is the same, as the blade is rotating as a whole.

Therefore, the centripetal acceleration on the blade at any point is inversely proportional to the radius from the center of the circle to that point.

So, the ratio of the centripetal acceleration at the end of the blade (6.58 m from the center) to the centripetal acceleration at a point located 4.78 m from the center, is the inverse ratio of their distances from the center. Therefore, the ratio is 4.78/6.58 which approximately equals 0.73.

Learn more about Centripetal Acceleration here:

brainly.com/question/14465119

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Kieran pushes a box with a force of 35 N. It accelerates at 5 m/s2. What is the first step that is needed to calculate the mass of the box?Identify the formula to calculate velocity.
Identify the formula to calculate force.
Identify the formula to calculate acceleration.
Identify the formula to calculate weight.

Answers

Answer:

Identify the formula to calculate velocity.

Explanation:

Sorry I have no explanation.

But hope this helps!!!

Answer:

f=ma

mass of box =7kg

Explanation:

The density of ice is 0.92 g/cm3. An ice sculptor orders a one cubic meter block of ice. What is the mass ofthe block? Hint: 1 m3 = 1,000,000 cm3. Give your answer in grams and kilograms.

Answers

If the density of ice is 0.92 grams / centimeters³. An ice sculptor orders a one cubic meter block of ice then the mass of the ice block would be 920000 grams.

What is density?

It can be defined as the mass of any object or body per unit volume of the particular object or body.

As given in the problem If the density of ice is 0.92 grams / centimeters³. An ice sculptor orders a one cubic meter block of ice then the mass of the ice block, then we have to find the mass of the ice block,

1 meter³ = 10⁶ centimeter³

The mass of the ice block = density of the ice × volume of the ice

=0.92 grams / centimeters³×10⁶ centimeter³

=920000 grams

Thus, the mass of the ice block would be 920000 grams or 920 kilograms.

To learn more about density from here, refer to the link given below;

brainly.com/question/15164682

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I believe that the hint is giving you your volume and I know for a fact that mass =density x volume and if you follow that equation, you should be able to find the answer :) I hope that helped at all.... (If that was confusing, I think it's saying the volume is 1,000,000 cm3)

A quasi-judicial independent agency has the power to _______. Please select the best answer from the choices provideda. create laws
b. print currency
c. rule on conflicts
d. call Congress into session

Answers

The correct answer is (c.) rule on conflicts. A quasi-judicial independent agency has the power to rule on conflicts. The quasi-judicial body has the power and rights to have the procedures done in terms of resembling the court of law and judge.

A girl who is watching a plane fly tells her friend that the plane isn’t moving at all. Describe a frame of reference in which the girl’s description would be true

Answers

In the frame of reference of the passengers, flight attendants,
pilot ... anybody ON the plane ... the plane isn't moving at all.

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