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velikii [3]
3 years ago
6

A gaseous sample of this element is bombarded by photons of various energies (in these same units). Match each photon to the res

ult of its absorption (or lack thereof) by an n=1 electon.Photon/ EnergyA 63B 51C 47D 36Possible AnswersResultn=1 to n=2n=1 to n=3n=1 to n=4ionizationnot absorbed
Physics
1 answer:
solniwko [45]3 years ago
8 0
1) n=1 -> n=2 : delta E = -5+11 = 6. The answer is D 
<span>2) n=1 -> n=3 : delta E = -2+11 = 9. The answer is B </span>
<span>3) n=1 -> n=4 : delta E = -1+11 = 10. No solution available </span>
<span>4) n=1 -> infinity delta E = 11. The answer is A </span>
<span>5) not absorbed would be C, as there is no transition with delta E of 8. </span>
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A slender, uniform metal rod of mass M and length lis pivoted without friction about an axis through its midpoint andperpendicul
lys-0071 [83]

Answer:

Explanation:

Moment of inertia of the metal rod pivoted in the middle

= M l² / 12

If the spring is compressed by small distance x twisting the rod by angle θ

restoring force by spring

= k x

moment of torque  about axis

= k x l /2

= k θ( l /2 )²     ( x / .5 l = θ )

=

moment of torque = moment of inertia of  rod  x angular acceleration

k θ( l /2 )²   = M l² / 12 d²θ/dt²

d²θ/dt² = 3 k/M  θ

acceleration =  ω² θ

ω² = 3 k/M

ω = √ 3 k / M

8 0
3 years ago
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Different masses are hung on a spring scale calibrated in newtons. The force exerted by gravity on 1.0 kg is shown in the image
nekit [7.7K]

d.88 n

Explanation:

The force exerted by gravity on the mass is 88N;

Gravitational force is usually experienced by two bodies with masses.

This force causes all objects on earth to accelerate at 9.8m/s².

    Force of gravity = mass x acceleration due to gravity

In this case, the force exerted on the object by gravity will be the weight of the object.

Weight is a force applied gravity on a body:

   Weight of the masses = Force of gravity = mass x acceleration

   Given mass = 9kg

             Force of gravity = 9 x 9.8 = 88.2N approximately 88N

learn more:

Weight and mass brainly.com/question/5956881

#learnwithBrainly

5 0
3 years ago
Every sample of a pure substance has exactly the same composition and the same properties. true or false
kirill115 [55]
False, that does not apply to some

7 0
3 years ago
Why is it possible for a gas to take the shape of its container?
Sedaia [141]
I believe the answer is A

8 0
3 years ago
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Using this illustration, what is the chemical formula
forsale [732]

Answer:la primera o la tercera

Explanation:

Porque son 3 átomos en uno

4 0
3 years ago
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