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BabaBlast [244]
3 years ago
13

Which of the following electromagnetic waves has the shortest wavelength?

Physics
2 answers:
nignag [31]3 years ago
7 0
Of the list, Ultraviolet waves have the shortest wavelength
FrozenT [24]3 years ago
7 0
Answer is B. Ultra violet rays...
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How many electrons should be in an atom’s valence shell (with the exception of hydrogen and helium) to become stable? 2 4 6 8.
podryga [215]

Answer:

8

Explanation:

octet rule: Atoms lose, gain, or share electrons in order to have a full valence shell of eight electrons. Hydrogen is an exception because it can hold a maximum of two electrons in its valence level.

4 0
2 years ago
A 56.0 kg box hangs from a rope. what is the tension in the rope if: the box has vy = 5.30 m/s and is speeding up at 5.10 m/s2 ?
Minchanka [31]

T = tension force in the rope in upward direction

m = mass of the box attached at end of rope = 56 kg

W = weight of the box in downward direction due to gravity

a = acceleration of the box in upward direction = 5.10 m/s²

weight of the box is given as

W = mg

inserting the values

W = (56) (9.8)

W = 548.8 N


force equation for the motion of the box is given as

T - W = ma

inserting the values

T - 548.8 = (56) (5.10)

T = 834.4 N

5 0
2 years ago
Determine the magnitude and direction of the force on an electron traveling 3.58 E 6 m/s horizontally to the west in a verticall
olya-2409 [2.1K]

Answer:banana

Explanation:

Because the amount of potassium is that

4 0
2 years ago
A sound wave traveling at 343 m/s is emitted by the foghorn of a tugboat. an echo is heard 2.80 s later. how far away is the ref
Nostrana [21]
The echo is heard 2.80 s later, this means this is the time the sound takes to travel to the reflecting object and then back to us. So, during this time, the sound wave has covered the distance L between us and the object twice:
S=2L
The speed of the sound wave is: v=343 m/s, and since it is moving by uniform motion, we can find the distance covered by the wave using
S=vt=(343 m/s)(2.80 s)=960 m
And we said this corresponds to twice the distance between us and the reflecting object, so:
L= \frac{S}{2} = \frac{960 m}{2} =480 m
so, the object is 480 meters away.
3 0
3 years ago
Do you get this ?????
Jet001 [13]

The first one is actually 10 times as big as the second one.

Because of their places, the first one means 6000, and the second one means 600.

8 0
3 years ago
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