Answer:
The appropriate solution is "2.78 mm".
Explanation:
Given:
![\lambda = 720 \ nm](https://tex.z-dn.net/?f=%5Clambda%20%3D%20720%20%5C%20nm)
or,
![= 720\times 10^{-9} \ m](https://tex.z-dn.net/?f=%3D%20720%5Ctimes%2010%5E%7B-9%7D%20%5C%20m)
![D=0.85 \ m](https://tex.z-dn.net/?f=D%3D0.85%20%5C%20m)
![d = 0.22 \ mm](https://tex.z-dn.net/?f=d%20%3D%200.22%20%5C%20mm)
or,
![=0.22 \times 10^{-3} \ m](https://tex.z-dn.net/?f=%3D0.22%20%5Ctimes%2010%5E%7B-3%7D%20%5C%20m)
As we know,
Fringe width is:
⇒ ![\beta=\frac{\lambda D}{d}](https://tex.z-dn.net/?f=%5Cbeta%3D%5Cfrac%7B%5Clambda%20D%7D%7Bd%7D)
hence,
Separation between second and third bright fringes will be:
⇒ ![\theta=\beta=\frac{\lambda D}{d}](https://tex.z-dn.net/?f=%5Ctheta%3D%5Cbeta%3D%5Cfrac%7B%5Clambda%20D%7D%7Bd%7D)
![=\frac{720\times 10^{-9}\times 0.85}{0.22\times 10^{-3}}](https://tex.z-dn.net/?f=%3D%5Cfrac%7B720%5Ctimes%2010%5E%7B-9%7D%5Ctimes%200.85%7D%7B0.22%5Ctimes%2010%5E%7B-3%7D%7D)
![=2.78\times 10^{-3} \ m](https://tex.z-dn.net/?f=%3D2.78%5Ctimes%2010%5E%7B-3%7D%20%5C%20m)
or,
![=2.78 \ mm](https://tex.z-dn.net/?f=%3D2.78%20%5C%20mm)
Answer:
1.6 m/s²
Explanation:
Weight equals mass times acceleration due to gravity.
F = mg
14.4 N = (9 kg) g
g = 1.6 m/s²
A joule is a unit of energy.
Answer:
Newton's law of inertia - His first law states that every object remains at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force. ... This is the first part cited in Newton's first law; "there is no net force on the airplane and it travels at a constant velocity in a straight line."
Newton's law of acceleration - "a net external force changes the velocity of the object. The drag of the aircraft depends on the square of the velocity. So the drag increases with increased velocity."
Newton's law of Action/Reaction - "As a plane flies, the force of the air hitting the plane is always equal and opposite to the force of the plane pushing against the air. The force generated by the engine pushes against air while the air pushes back with an equal and opposite force."
Hope this helps! god bless :)
Please give me brainliest!
Answer:
GAS, LIQUID, CLOUDS
Explanation:
Water can be in three states: solid, liquid and gas, passing from one to another depending on the pressure and temperature.
In this complementation exercise.
When the water cools down the GAS goes to the LIQUID state, these small drops unite and form the CLOUDS