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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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6 0
3 years ago
A marble slides without friction in a vertical loop around the inside of a smooth, 28.6 cm diameter horizontal pipe. The marble'
Leviafan [203]

Answer:3.49 m/s

Explanation:

Given

Speed of marble at Bottom v=4.22 m/s

Diameter of loop d=28.6 cm

As Energy is conserved therefore Energy at top is equal to energy at bottom

E_T=E_B

\frac{mv^2}{2}+mgh=\frac{mv_0^2}{2}  ,where v_0 is the velocity at bottom

\frac{v^2}{2}+gh=\frac{v_0^2}{2}

v_0^2=v^2+2gh

v^2=v_0^2-2gh

v=\sqrt{v_0^2-2gh}

v=\sqrt{4.22^2-2\times 9.8\times 0.286}

v=\sqrt{17.8084-5.6056}

v=3.49 m/s

                       

7 0
3 years ago
Children are sled riding on a hill One little girl pulls her sled back up the hill and does 379.5 joules of work while pulling i
Serggg [28]

Answer:

2.2N

Explanation:

Given parameters:

Work done  = 379.5J

Height  = 173m

Unknown:

Amount of force exerted on the sled  = ?

Solution:

The amount of force she exerted on the sled is the same as her weight.

Work done is the force applied to move a body through a distance.

      Work done  = mgh

m is the mass

g is the acceleration due to gravity

h is the height

     mg  = weight;

        Work done  = weight x h

           379.5 = weight  x  173

           weight  = \frac{379.5}{173}   = 2.2N

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2 years ago
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Vera_Pavlovna [14]

Answer:

b

Explanation:

6 0
3 years ago
Which has greater kinetic energy, a car traveling at 40 mph or a half-as-massive car traveling at 80 mph?
ziro4ka [17]

Answer:

The 80 mph car

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8 0
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