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laiz [17]
4 years ago
15

Which statement is true about two isotopes of the same element?

Physics
1 answer:
Vesnalui [34]4 years ago
6 0
D is the correct answer
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In a perfectly inelastic one-dimensional collision between two moving objects, what condition alone is necessary so that the fin
ser-zykov [4K]

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

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5 0
2 years ago
Exercise releases chemicals in our bodies called
chubhunter [2.5K]

Answer:

endorphins

Explanation:

7 0
3 years ago
What two factors determine the color of an object?
slamgirl [31]
<h3><u>Answer;</u></h3>

4. the material the object is made of and the color of light that strikes it

<h3><u>Explanation;</u></h3>
  • The color of an object is the wavelength of light that the object reflects, which is determined by the arrangement of electrons in the atoms of the material making the object.
  • <em><u>We could therefore say that the color of object depends on or is determined by the material making up the object as this determines the the wavelengths of light the object reflects. Lastly, the color of light source also determines the color of the object.</u></em>
3 0
3 years ago
Read 2 more answers
A car is moving at a constant speed of 14 m/s when the driver presses down on the gas pedal and accelerates for 14 s with an acc
Vinil7 [7]

acceleration of car is 1.8 m/s^2

time = 14 s

initial speed = 14 m/s

so the final speed is calculated by

v_f = v_i + at

v_f = 14 + 14 * 1.8

v_f = 39.2 m/s

so the total distance moved in this interval of time is

d = \frac{v_f + v_i}{2}* t

d = \frac{39.2 + 14}{2}* 14

d = 372.4 m

now the average speed is given as

v = \frac{d}{t}

v = \frac{372.4}{14}

v = 26.6 m/s

so the average speed will be 26.6 m/s

7 0
3 years ago
(A) Electricity and Magnetism
Maksim231197 [3]

electricity

Explanation:

the position (2,o

5 0
3 years ago
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