Which statement correctly describes mass-energy equivalence?
Answers
Mass-energy equivalence, as articulated in Einstein's E=mc² equation, indicates that mass can be converted to energy and vice versa. This theory has current practical applications such as the operations in nuclear power plants and in explaining natural phenomena like solar energy generation.
The principle describing mass-energy equivalence is most accurately presented by Albert Einstein's mass-energy equivalence equation, E = mc². In some processes, according to this equation from the theory of special relativity, mass can be converted into energy, and vice versa. This means that we consider mass to be a form of energy, not something distinct.
Examples of this conversion are seen in everyday life and nature. For instance, the sun's energy, the energy from nuclear decay, and even the heat in Earth's interior can be traced back to the mass-energy equivalence. Nuclear power plants and nuclear weapons provide practical examples of mass being converted into energy. In these cases, a tiny fraction of mass is annihilated to produce energy expressed as nuclear radiation.
Therefore, the theory of conservation of mass was supplanted by the more comprehensive theory of conservation of mass-energy which includes the phenomenon of mass-energy equivalence, and is described mathematically in the equation E= mc².
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Answer:
C. All energy in the universe is a result of mass being converted into energy.
Explanation:
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-Kayla lifts 15kg weights up at a velocity of 2.6m/s
0
Which friend is creating more momentum?
Answers
Answer:
Kayla. You can calculate it using the formula for momentum: momentum=mass×velocity and find the bigger number between the two momentums
Answers
Use the formula:
F = kq1q2/r^2
F = force = 8.3x10^-4N
q1, q2 = charges
r = separatioon
k = constant = 9x10^9 in MKS units
so we have
r = sqrt[k q1 q2/F]
r = sqrt[9x10^9*(-14)x10^-9 * (-6)x10^-9 / 8.3x10^-4 ]
r = 0.0302 m
So the distance between spheres is 0.0302 m
revolutionary
B.
rotational
C.
periodical
D.
elliptical
Answers
Their orbits are more like ovals that scientists describe as elliptical.
Orbit
It is a regular, repeating path, which one object in space takes around another one.
The comets, planets, asteroids, and other objects in the solar system orbit the Sun.
The majority of the objects orbiting the Sun move close or along to an imaginary flat surface. This imaginary surface is known as the ecliptic plane.
All the orbits are elliptical that shows that they are ellipse, identical to an oval.
The planets in the solar system do not revolve around the Sun in perfect circles, their orbits are more like ovals, which are illustrated by scientists as elliptical.
Thus, the correct answer is option D.
To know more about:
Answers
Answer:
The kinetic energy of the apple at this height is 0.49 J.
Explanation:
Mass of apple, m = 0.1 kg
It falls form a height of 1.5 meters to 1 meters. We need to find the kinetic energy of the apple at this height. As the apple is falling, the decrease in potential energy is equal to the increase in kinetic energy. Using the conservation of energy as :
So, the kinetic energy of the apple at this height is 0.49 J. Hence, this is the required solution.
As it's falling the apple has both kinetic and potential energies. The decrease in potential energy is equal to the increase in kinetic energy
KE = -ΔPE
= -mgΔh
= -(0.100 kg)(9.81 m/s²)(1.00 m - 1.50 m)
= 0.491 J
Answers
Answer:
b) 67.5 N
Explanation:
Force (F) = mass (m) × acceleration (a)
The mass (m) is 45 kg, and the acceleration (a) is 1.5 m/s². Plug these values into the formula:
F = 45 kg × 1.5 m/s²
F = 67.5 N
So, the force created by the person is 67.5 Newtons.
A. age of the golfer
B. temperature
C. course conditions
D. height of the golfer
Answers
If the grass is grown then the golf ball will not be able to able to cover good ground distance
The TaylorMade M3 Irons are to be considered a mid-range club and is one of the best of 2018.
The strength of the golfer, the form of the golfer, the wind, and the course conditions affect the distance the gulf ball will travel.
Course conditions are really important for a golfer as the grass on the course can determine a lot how the ball moves about after its first bounce.
The heavier the grass and course conditions the lesser the ball travels and vice versa obviously. Same goes if the conditions are damp or not.