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1 year ago

which one of these represent total momentum of a system of two particles traveling one against the other?

Physics

1 answer:

antoniya [11.8K]1 year ago

5 0

The total momentum of a system is the vector sum of all the individual masses that comprise the system.

Moreover, To calculate the total momentum of two objects during a collision, add their individual momentums. You can calculate the momentum for each object using the formula p=mv, where p is the momentum, m is the mass, and v is the velocity. The law of conservation of momentum can be expressed as follows. For a collision between object 1 and object 2 in an isolated system, the total momentum of the two objects before the collision is equal to the total momentum of the two objects after the collision.

You can learn more about this at:

brainly.com/question/20301772#SPJ4

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In the nuclear fission process mass is converted into energy. Determine the total mass that must be converted to energy in one y

brilliants [131]

Answer:

1) Mass that needs to be converted at 100% efficiency is 0.3504 kg

2) Mass that needs to be converted at 30% efficiency is 1.168 kg

Explanation:

By the principle of mass energy equivalence we have

$E=mc^{2}$

where,

'E' is the energy produced

'm' is the mass consumed

'c' is the velocity of light in free space

Now the energy produced by the reactor in 1 year equals

$Energy=Power\times time\\\\\therefore Energy=1\times 10^{9}\times 365\times 24\times 3600\\\\Energy=31.536\times 10^{15}Joules$

Thus the mass that is covertred at 100% efficiency is

$mass=\frac{Energy}{c^{2}}\\\\mass=\frac{31.536\times 10^{15}}{(3\times 10^{8})^{2}}\\\\mass=\frac{31.536\times 10^{15}}{9\times 10^{16}}\\\\\therefore mass=0.3504kg$

Part 2)

At 30% efficiency the mass converted equals

$mass|_{30}=\frac{mass|_{100}}{0.3}\\\\mass|_{30}=\frac{0.3504}{0.3}\\\\mass|_{30}=1.168kg$

8 0

4 years ago

Which materials produce greater or fewer vibrations on a roller coaster?

mixer [17]

Steel materials produce less vibrations whilst less dense and more malleable parts produce more vibrations, e.g. the wooden part of the coaster itself.

3 0

3 years ago

Which of the following scientists studied physics in Egypt?

Margaret [11]

The answer for apex is ibn al-haytham.

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4 0

3 years ago

The function of an electric motor is to change electrical energy into

Vaselesa [24]

<span>The function of an electric motor is to change electrical energy
into kinetic energy.

Even if you want to use the electric motor to give a heavy weight
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you still have to use the motor to MOVE the weight. So you're still
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5 0

4 years ago

You put a piece of ice into a glass of lemonade at room temperature. Which statements explains the heat flow in this scenario? A

katrin2010 [14]

Answer:

C. Heat flows from lemonade to the ice

Explanation:

Transfer of heat from the drink to the ice is what melts the ice and cools the drink.

5 0

3 years ago