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3 years ago

If the distance of a charged particle from a wire changes from 10cm to 20 cm , what happens to its magnetic field

Physics

2 answers:

postnew [5]3 years ago

5 0

Answer:

i would say it decreases

Explanation:

bc as distance grows the fields decrease

IM NOT SURE tho

SpyIntel [72]3 years ago

4 0

Answer:

The field is half as strong

Explanation:

The first one is twice as strong

and the last one

The force is reversed

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a white dwarf will become a type ia supernova if group of answer choices the original star was more than 1.38 msun./

Reil [10]

When a white dwarf star is totally annihilated by a nuclear explosion, type Ia supernovae are produced. Type Iax supernovae, a new subtype of supernova, have just been discovered.

<h3>Why do Type 1a supernovae occur?</h3>

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1 year ago

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Slav-nsk [51]

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3 years ago

A 200 g piece of iron is heated to 100°C. It is then dropped into water to bring its temperature down to 22°C. What is the amoun

Amiraneli [1.4K]

The piece of iron is brought from a temperature of 100C to a temperature of 22C. In this process, the heat released by this piece of iron is
$Q=m C_s \Delta T$
where $m=200 g$ is the mass of the piece of iron, $C_s = 0.444 J/(g C)$ is the iron's specific heat, and the temperature variation is $\Delta T = 22^{\circ}-100^{\circ}=-78^{\circ}C$ . Using these values, the amount of heat released by the iron is
$Q=(200 g)(0.441 J/(gC))(-78C)=-6926J=-6.9 kJ$
With negative sign because it is amount of heat released. This heat is then trasferred to the water, so the amount of heat absorbed by the water is Q=6.9 kJ.

8 0

3 years ago

Read 2 more answers

A Red Rider bb gun uses the energy in a compressed spring to provide the kinetic energy for propelling a small pellet of mass 0.

Kay [80]

Answer:

a.6.5025 J

b.6.5025 J

Explanation:

We are given that

Mass of pellet,m=0.27 g= $0.27\times 10^{-3} kg$