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vovikov84 [41]
1 year ago
15

Three magnets are placed on a plastic stick as shown in the image. Explain how the magnets need to be rearranged so that they st

ick together and why rearranging them this way allows them to stick together.
Physics
2 answers:
dimaraw [331]1 year ago
6 0

Answer:

The magnets need to be placed with red closest to blue.

Opposite poles attract.

The magnets will be attracted to each other with enough force to stick together.

Explanation:

svlad2 [7]1 year ago
4 0

Answer:

The magnets need to be arranged so that the blue side of one magnet faces the red side of another magnet. When they are arranged in this way, the opposite poles of the magnets will be closest together. Because opposite poles attract, the force of the magnets will make the magnets stick together.

Explanation:

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The data table below shows the distribution of the energies of a pendulum 0.60 s into its motion. What is the missing value?
ohaa [14]
The total energy (also called mechanical energy) is the sum of the kinetic energy and potential energy:
TE = KE + PE
For this pendulum, we see that at t=0.60 s the total energy is TE=0.918 J while the potential energy is 0.054 J, so the kinetic energy (the missing value in the table) is
KE=TE-PE=0.918 J - 0.054 J =0.864 J
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2 years ago
Read 2 more answers
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UNO [17]

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These are the answers:

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4 0
1 year ago
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A 2.0 kg block on a horizontal frictionless surface is attached to a spring whose force constant is 590 N/m. The block is pulled
SVETLANKA909090 [29]

Answer:

The  value is  v =  -0.04 \  m/s

Explanation:

From the question we are told that

   The  mass  of the block is  m  =  2.0 \ kg

   The  force constant  of the spring is  k  =  590 \ N/m

   The amplitude  is  A =  + 0.080

   The  time consider is  t =  0.10 \  s

Generally the angular velocity of this  block is mathematically represented as

      w =  \sqrt{\frac{k}{m} }

=>   w =  \sqrt{\frac{590}{2} }

=>   w = 17.18 \  rad/s

Given that the block undergoes simple harmonic motion the velocity is mathematically represented as  

         v  =  -A w sin (w* t )

=>       v  = -0.080 * 17.18 sin (17.18* 0.10 )

=>       v =  -0.04 \  m/s

7 0
2 years ago
Does the surrounding air become warm or cool when vapour phase of H2O condenses? Explain
mel-nik [20]
The surrounding air will become warm when water vapor condenses. The vapors when become water will give away latent heat they have, we know that latent heat is required for the object to change states, so, the latent heat the water vapor had when it became water vapor from water will be given out when it again becomes water.
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