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1 year ago

These two magnets are held close together, as shown. What directions will they move once released?

Physics

1 answer:

frozen [14]1 year ago

3 0

I think the magnets will move towards each other due to the opposite poles being attracted to each other

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Two small identical balls A and B are held a distance r apart on a frictionless surface, with i very large compared with the siz

iren2701 [21]

According to the statement both bodies will experience the same force, by the effect of action and reaction, which would be the same to apply Newton's third law. By the characteristics presented both will have the same mass and the same acceleration. However, considering the sign of their charges, these being the same, they will be repelled from each other. When this movement is generated, the force will begin to decrease as the distance increases and therefore its acceleration will also decrease

Hence the correct option is equal and decreasing.

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2 years ago

Can someone please help me solve. like now? or in a few minutes tops

mafiozo [28]

Hmmmm...I’m not sure but you will will get the right answer don’t give up!

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2 years ago

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An object with smaller mass and an object with a larger mass have the same kinetic energy. Which object has the higher momentum?

KatRina [158]

Answer:

object with larger mass

Explanation:

the momentum of an object is directly proportional to its mass. larger mass = more momentum

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2 years ago

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When a ball is launched from the ground at a 45° angle to the horizontal, it falls back to the ground 50 m from the launch point

Inessa [10]

Answer:

Explanation:

Given

angle through which ball is launched $=45^{\circ}$

Range of ball=50 m

Range of projectile is $=\frac{u^2sin2\theta }{g}$

$50=\frac{u^2sin90}{9.8}$

u=22.136 m/s

If ball is thrown straight upward

$v^2-u^2=2as$

$0-(22.136)^2=2(-9.8)s$

$s=\frac{22.136^2}{2\times 9.8}$

s=25 m

(b)For Projectile time of flight is

$t=\frac{2usin\theta }{g}$

$t=\frac{2\times 22.136\times sin45}{9.8}$

t=3.19 s

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2 years ago

Explore how archemides principle is applied in building a ship and submarine

Sladkaya [172]

Answer:

Principle Archimedes is applied in building a ship and submarine using the manipulating that buoyancy, is controlled the ballast tank system.

Explanation:

Submarine is rather had they focused on main parts of the submarine,he is complex and long process implementation,the most submarine design like submarine stability.

Submarine stability is complete and the fundamental Archimedes principle to arrive the weight of submarine is equal to buoyancy force.

Submarine into the parts and components of ballast tank the sequence in diving and surfacing,there two vital parts:- flood parts and air vents

flood parts:- at the bottom position and allow water to enter or leave that tank.

air vents:- air vents at the top of the pressure hall,and that they submarine dive.

this time submarine is most modern system is depth is 300 to 450 meters,high pressure air is 15 bar is tank air valve.

submarine is basic of the effective volume of all the submarine surfaced condition,submarine minus to the free water flood is equal to the fully pressure hull,submarine is the surfaced condition.

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2 years ago