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Oduvanchick [21]
4 years ago
7

A proton is moving toward a stationary charged particle. Which statement correctly describes an energy change that could occur a

s the particles get closer?
A. Kinetic energy will be converted into electric potential energy if the stationary particle is positive.
B. Kinetic energy will be converted into electric potential energy if the stationary particle is negative.
C. Electric potential energy will be converted into kinetic energy if the stationary particle is positive.
D. Electric potential energy will be converted into thermal energy if the stationary particle is negative.
Physics
2 answers:
nikdorinn [45]4 years ago
5 0
<span>A. Kinetic energy will be converted into electric potential energy if the stationary particle is positive.</span>
Vadim26 [7]4 years ago
4 0

Answer: The correct option is A.

Explanation:

The electric potential energy is defined as the work done required in assembling the charges by bringing them close together.

The kinetic energy is due to the motion of the particle.

In the given problem, a proton is moving towards a stationary charged particle. There will an energy change that could occur as the particles get closer.

The moving charge gains electric potential energy and losses its kinetic energy until it stops.

At that point, Kinetic energy will be converted into electric potential energy if the stationary particle is positive.

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viktelen [127]

Answer:

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Explanation:

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2 years ago
Observer A, who is at rest in the laboratory, is studying a particle that is moving through the laboratory at a speed of v=0.8c
Studentka2010 [4]

Answer:

30.96 m

Explanation:

If the particle has a lifetime of 129 ns as measured by observer A, and has a speed of 0.8c as measured by observer A, the distance between the markers will be:

d = v * Δt

v = 0.8*c = 0.8 * 3e8 = 2.4e8

Δt = ζ = 129 ns = 1.29e-7 s

d = 2.4e8 * 1.29e-7 = 30.96 m

This is the distance as measured by observer A.

3 0
3 years ago
the kinetic energy of an object with mass m moving with a velocity of 5 m/s is 25 j what will be its kinetic energy when its vel
Dmitriy789 [7]

Answer:

100 J, 225 J

Explanation:

The kinetic energy of an object is given by:

K=\frac{1}{2}mv^2

where

m is the mass of the object

v is the velocity of the object

In this problem, the initial kinetic energy of the object is

K = 25 J

Then, the velocity is doubled, which means

v' = 2v

Therefore, the new kinetic energy will be

K'=\frac{1}{2}m(2v)^2 = 4(\frac{1}{2}mv^2)=4K

Therefore, the kinetic energy has quadrupled:

K' = 4(25)=100 J

Later, the velocity is tripled, which means

v'' = 3v

Therefore, the new kinetic energy will be

K''=\frac{1}{2}m(3v)^2 = 9(\frac{1}{2}mv^2)=9K

Therefore, the kinetic energy has increased by a factor of 9:

K' = 9(25)=225 J

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3 years ago
__ modified the concept by adding an internal combustion engine and marketing hybrids that were part electric and part gas power
navik [9.2K]

Hybrid

<u>Hybrid</u> modified the concept by adding an internal combustion engine and marketing hybrids that were part electric and part gas powered.

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  • A hybrid car has numerous sources of propulsion.
  • There are numerous hybrid configurations.
  • A hybrid vehicle might, for instance, get its energy from burning gasoline while alternating between an electric motor and a combustion engine.
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  • Because the electric drive transmission directly substitutes the mechanical gearbox rather than serving as an additional source of motive power, a diesel-electric powertrain does not meet the definition of a hybrid.
  • Only the electric/ICE hybrid car type was readily accessible on the market as of 2017.
  • One type used parallel operation to power both motors at the same time.
  • Another ran in series, using one source to supply power solely and the other to supply electricity.
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To learn more about hybrid vehicles visit:

brainly.com/question/14610495

#SPJ4

3 0
2 years ago
A truck is driving north at 35 miles per hour and passes a car going south at 40 miles per hour. What is the speed of the car fr
inna [77]

Answer:

70

Explanation:

right...

7 0
2 years ago
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