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Olin [163]
3 years ago
13

which of the folloing statements about ionization energy is true? A elements toward the bottom of a group periodic table general

ly have higher ionization energies than elements at the top of a group. B. ionization energy is the amount of energy used to add an electron to an atom. C. potassiumhas a lower ionizationenergy than sodium D. In a period, elements farther to the right generally have lower ionization energies than elements on the left.
Physics
1 answer:
beks73 [17]3 years ago
6 0
<span>
accept the flow of electrons.resist the flow of electrons.accept the flow of protons.resist the flow of protons.It is one of these </span>
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Which is an example of making a qualitative observation?
Alisiya [41]
"Describing how copper changes color in chlorine" is the answer I think is right. Hope this helped!
4 0
4 years ago
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How far does a car travel as it accelerates from rest to 24 m/s in 6 seconds?
____ [38]

Answer:

\boxed{\sf Distance \ travelled = 72 \ m}

Given:

Initial velocity (u) = 0 m/s (Starts from rest)

Final velocity (v) = 24 m/s

Time taken (t) = 6 seconds

To Find:

Distance travelled by car (s)

Explanation:

From equation of motion of object moving with uniform acceleration in straight line we have:

\boxed{ \bold{s =  (\frac{v + u}{2} )t}}

By substituting value of v, u & t in the equation we get:

\sf \implies s = ( \frac{24 + 0}{2} ) \times 6 \\  \\  \sf \implies s =  \frac{24}{2}  \times 6 \\  \\  \sf \implies s = 12 \times 6 \\  \\  \sf \implies s = 72 \: m

\therefore

Distance travelled by car (s) = 72 m

7 0
4 years ago
You are pulling a child in a wagon. The rope handle is inclined upward at a 60∘ angle. The tension in the handle is 20 N.
dem82 [27]
  • Angle (θ) = 60°
  • Force (F) = 20 N
  • Distance (s) = 200 m
  • Therefore, work done
  • = Fs Cos θ
  • = (20 × 200 × Cos 60°) J
  • = (20 × 200 × 1/2) J
  • = (20 × 100) J
  • = 2000 J

<u>Answer</u><u>:</u>

<u>2</u><u>0</u><u>0</u><u>0</u><u> </u><u>J</u>

Hope you could get an idea from here.

Doubt clarification - use comment section.

6 0
2 years ago
Read 2 more answers
The chief by 3 3/4 kg of Apple's 7 1/4 kilograms of peers and 10 1/8 kilograms with orange about how many kilograms of fruit did
WARRIOR [948]
SOLUTION:

Total amount of fruit = Total amount of apples + Total amount of pears + Total amount of oranges

Total amount of fruit = 15 / 4 + 29 / 4 + 81 / 8

Total amount of fruit = 30 / 8 + 58 / 8 + 81 / 8

Total amount of fruit = 169 / 8

Total amount of fruit = 21.125 kg

ANSWER:

Therefore, the chief bought 21.125 kg of fruit all together.

Please mark as brainliest if you found this helpful! :)
Thank you <3
7 0
3 years ago
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The fastest propeller-driven aircraft is the Russian TU-95/142, which canreach a maximum speed of 925 km/h. For this speed, calc
valentinak56 [21]

Answer:

The resultant displacement of plane = 1310.76 Km

Explanation:

Given that,

Speed of the plane = 925 Km/h

Therefore, in 1 hour plane travels 925 Km

From figure,

Displacement if it travels east for 1.5 h, AB = 1387.5 Km

Displacement if it travels north-west for 2 h, BC = 1850 Km

Angle formed between two displacement = 135°

The resultant displacement is given by the relation

          AC² = AB² + BC² + 2 AB BC Cos θ

Substituting the values in the equations,

           AC²  = 1387.5² + 1850² + 2 x 1387.5 x 1850 x Cos 135°

                    = 1718095

           AC =  1310.76

Therefore, the resultant displacement of plane is 1310.76 Km

7 0
3 years ago
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