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Arisa [49]
3 years ago
14

State Archimedes' principle.​

Physics
2 answers:
alexdok [17]3 years ago
6 0

Answer:

We know that due to upthrust ,objects tend to lose weight when immersed in liquid.

<h3><u>Archimedes</u><u> </u><u>principle</u><u> </u><u>states </u><u>that</u><u> </u><u>"</u><u> </u><u>If</u><u> </u><u>an</u><u> </u><u>object</u><u> </u><u>is</u><u> </u><u>partially </u><u>or</u><u> </u><u>complet</u><u>ely</u><u> </u><u>immersed</u><u> </u><u>in</u><u> </u><u>the </u><u>liquid</u><u>,</u><u> </u><u>the</u><u> </u><u>weight </u><u>of</u><u> </u><u>l</u><u>iquid</u><u> </u><u>displaced</u><u> </u><u>by </u><u>the </u><u>object</u><u> </u><u>is</u><u> </u><u>its</u><u> </u><u>upthrust</u><u>.</u></h3>

This law is applicable for the gaseous medium too.The weight of the displaced liquid =pgv where p is density of liquid ,g is acceleration due to gravity and v is volume of displaced liquid.

Hope this helps...

Good luck on your assignment..

Paraphin [41]3 years ago
3 0

Answer:

Archimedes Principle states that "any body completely or partially submerged in water is acted upon by an upthrust force which is equal to the magnitude of Weight of the body."

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Enter a curve slower than the posted speed if your vehicle has a high center of gravity or if surface _____________ is less than
alisha [4.7K]

Answer:

Traction

Explanation:

Enter a curve slower than the posted speed if your vehicle has a high center of gravity or if surface Traction is less than ideal.

Traction is an act of drawing or pulling something over a surface specially a road or a track or it also defined as the grip of a tire on road or a wheel on rail. So speed when entering a curve should be slower when the tire has low traction to avoid accident.

5 0
3 years ago
A particular interaction force does work wint inside a system. the potential energy of the interaction is u. which equation rela
larisa86 [58]

ΔU = -Wint

Consdier the work of of interaction is W =m*g*h - equation -1

and the Potential energy U.

Final Potential energy Uf =0 , And the Initial Potential Energy Ui =m*g*h

<span>Now we will write the equation for a Change in Potential energy ΔU,</span>

ΔU = Uf - Ui

= 0-m*g*h

<span>  ΔU = -m*g*h --Equation 2</span>

Now compare the both equation

<span>Wint = -ΔU</span>

we can rewrite the above equation

ΔU = -W.

<span>So our Answer is ΔU = -W. .</span>

<span> </span>

5 0
3 years ago
A sample of a gas in a rigid container has an initial pressure of 5 atm at a temperature of 254.5 k. The temperature is decrease
skelet666 [1.2K]

The gas is in a rigid container: this means that its volume remains constant. Therefore, we can use Gay-Lussac law, which states that for a gas at constant volume, the pressure is directly proportional to the temperature. The law can be written as follows:

\frac{P_1}{T_1} = \frac{P_2}{T_2}

Where P1=5 atm is the initial pressure, T1=254.5 K is the initial temperature, P2 is the new pressure and T2=101.8 K is the new temperature. Re-arranging the equation and using the data of the problem, we can find P2:

P_2 = T_2 \frac{P_1}{T_1}=(101.8 K) \frac{5 atm}{254.5 K}=2 atm

So, the new pressure is 2 atm.

7 0
2 years ago
A mercury thermometer is used to measure the temperature of boiling water.<br>Why?​
Rama09 [41]

Answer:

It has very high density, so a small bulb of a thermometer can contain much mercury. Mercury remains liquid state over a quite wide range of temperature because it freezes at 39°C and boils at 357°C.

Explanation:

6 0
3 years ago
The wavelength of the sound is 0.750m. What is the frequency?
kifflom [539]

wavelength = speed/frequency


 ==> freq. = speed/wavelength = 342.5/0.75 = 456.67 Hz.

6 0
3 years ago
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