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Fofino [41]
1 year ago
10

In a perfectly inelastic one-dimensional collision between two moving objects, what condition alone is necessary so that the fin

al kinetic energy of the system is zero after the collision? (a) The objects must have initial momenta with the same magnitude but opposite directions. (b) The objects must have the same mass. (c) The objects must have the same initial velocity. (d) The objects must have the same initial speed, with velocity vectors in opposite directions.
Physics
1 answer:
ser-zykov [4K]1 year ago
5 0

What condition alone is necessary so that the final kinetic energy of the system is zero after the collision?

<u>Option(a). </u>The objects must have initial momenta with the same magnitude but opposite directions.

What is a momentum?

  • In Newtonian mechanics, linear momentum, translational momentum, or simply momentum is the product of the mass and velocity of an object.
  • It is a vector quantity, possessing a magnitude and a direction.
  • If m is an object's mass and v is its velocity (also a vector quantity), then the object's momentum p is :p=mv.
  • In the International System of Units (SI), the unit of measurement of momentum is the kilogram metre per second (kg⋅m/s), which is equivalent to the newton-second.

To know more about momentum, refer:

brainly.com/question/1042017

#SPJ4

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The volume of a gas is increased six times the original volume by heating it. If the original temperature of
OleMash [197]

The final temperature of the gas given the data from the question is 1527 °C

<h3>Data obtained from the question</h3>
  • Initial volume (V₁) = V
  • Initial temperature (T₁) = 27 °C = 27 + 273 = 300 K
  • Final volume (V₂) = 6V
  • Final temperature (T₂) =?

<h3>How to determine the new temperature </h3>

The final temperature of the gas can be obtained by using the Charles' law equation as illustrated below:

V₁ / T₁ = V₂ / T₂

V / 300 = 6V / T₂

Cross multiply

V × T₂ = 300 × 6V

Divide both side by V

T₂ = (300 × 6V) / V

T₂ = 1800 K

Subtract 273 from 1800 K to express in degree celsius

T₂ = 1800 – 273

T₂ = 1527 °C

Learn more about gas laws:

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6 0
2 years ago
The sketch below shows some of the insides of a stereo speaker. Running current through the wire, which is wrapped around the ba
VARVARA [1.3K]

Energy transformation, also termed as energy conversion, is the process of changing energy from one of its forms into another. In physics, energy is a quantity that provides the capacity to perform many works—think of lifting or warming an object. In addition to being convertible, energy is transferable to a different location or object, but it cannot be created or destroyed.


Energy in many of its forms may be used in natural processes, or to provide some service to society such as heating, refrigeration, lighting or performing mechanical work to operate machines. For example, in order to heat your home, your furnace can burn fuel, whose chemical potential energy is thus converted into thermal energy, which is then transferred to your home's air in order to raise its temperature.


In another example, an internal combustion engine burns gasoline to create pressure that pushes the pistons, thus performing work in order to accelerate your vehicle, ultimately converting the fuel's chemical energy to your vehicle's additional kinetic energy corresponding to its increase in speed.

Contents


   1 Entropy and limitations in conversion of thermal energy to other types

   2 Transformation of kinetic energy of charged particles to electric energy

   3 History of energy transformation from the early universe

   4 Examples

       4.1 Examples of sets of energy conversions in machines

       4.2 Other energy conversions

   5 See also

   6 References



3 0
3 years ago
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A spaceship accelerates from 0m/s to 40m/s in 5 seconds. What is the acceleration of the spaceship
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Acceleration = change in velocity/time
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Swinging a tennis racket against a ball is an example of a third class lever. Please select the best answer from the choices pro
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Fulcrum : The elbow
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denis23 [38]
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Around 400 B.C.E, the Greek philosopher Democritus introduced the idea of the atom as the basic building block matter. Democritus though that atoms are tiny, uncuttable, solid particles that are surrounded by empty space and constantly moving at random.

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