Answer:
They will interfere to create a crest with an amplitude of 2.
Explanation:
If the crest of one wave meets the trough of another wave, destructive interference occurs and the combined amplitude will be less than that of either wave alone. If the amplitudes of the two waves are equal, when the crest and trough superimpose, the combined amplitude will be zero.
A solar eclipse might be observed from Earth when the moon is in the newmoon phase.
During the lead-up to a solar eclipse from the Moon, a viewer on the Moon would see the Sun approach the dark disk of Earth, with the planet's nightside facing the Moon. Earth's atmosphere would be lit from behind, creating a reddish ring around the planet that would glow brighter as the eclipse proceeded.
We will finally see a total solareclipse on April 8, 2024, in North America and Central America. The total phase will be visible from Mexico, the central United States, and eastern Canada. Another eclipse in 2024, an annular one, will take place on Oct. 2.
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Answer:
two children pulling apart a wishbone
Explanation:
B. thick, long, hot
C. thin, short, hot
D. thin, long, cold
E. thick, short, cold
Answer:
D. pushing a chair against the wall.
Explanation:
The speed of electron be 183.73 m/s.
The energy held within an object is known as potential energy. There are several different types of potential energy, including gravitational potential energy, elastic potential energy, and electric potential energy. An object's energy as a result of the overall charge it contains is known as its electric potential.
Given parameters:
Distance between proton and electron: d = 0.03 m.
Let, at that point the speed of the electron be v.
So from conservation of energy:
Kinetic energy of electron + potential energy of electron = 0
1/2×mv² - 1/(4πε₀)(e²/d) = 0
⇒v = √(2e²/m(4πε₀)(d))
= √( 2 × (1.6 ×10⁻19)²× 9 × 10⁹/9.1093837 × 10⁻³¹×0.03) m/s
= 183.73 m/s.
The speed of electron be 183.73 m/s.
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As 2 objects get closer and closer due to the gravitational attraction, the force between them C. increases.
Two objects move toward each other because of gravitational attraction. To understand the gravitational force, we need to consider Newton's law of universal gravitation, which states that every particle attracts every other particle in the universe with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers. Mathematically,
where,
As the objects get closer, the distance between them decreases, and consequently the gravitational force increases.
As 2 objects get closer and closer due to the gravitational attraction, the force between them C. increases.
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Answer:
C. increases
Explanation:
Law of Universal Gravitation
This law establishes that bodies, by simply having mass, experience a force of attraction to other bodies with mass, called gravitational force or gravitational force.
The gravitational force between two bodies is directly proportional to the product of their masses and inversely proportional to the square of the distance that separates them.
Formula (1)
where:
G is the universal gravitation constant, G = 6.67 · 10-11 N · m² / kg²
M and m are the masses of the bodies that interact (kg)
r is the distance that separates them. (m)
Problem development
As objects get closer and closer the distance (r) that separates them decreases and because M, m and G remain constant, in formula (1):
, if r decreases then Fg increases.