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Vitek1552 [10]
3 years ago
11

What does the quantum mechanical model determine about electrons in atoms

Physics
1 answer:
Brums [2.3K]3 years ago
8 0

The quantum mechanical model determines the allowed energies an electron can have and how likely it is to find the electron in various locations around the nucleus... The energy of electrons in atoms are said to be quantized.

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Earth's curvature causes _____ heating of the surface by sun.<br> (one word)
DIA [1.3K]
The one word you're looking for to fill in the blank
can be "uneven" or "non-uniform".
8 0
3 years ago
Read 2 more answers
A ventilating fan is operated by 0.5hp electric motor. How much work in joules can the fan do in 3 hours? (I need the answer asa
shtirl [24]

Answer:

Power= 0.5hp = 375W

T = 3hrs = 10800s

Power = Work done/ Time

Work = Power * Time = 375 * 10800 = 4050000J

3 0
3 years ago
A bus driver heads south with a steady speed of
Nutka1998 [239]

ANS

{ A }

Magnitude

5400.097 \: ✓ \: m

Direction

25.52 \:  ✓ \: ° South  \: of \:  West

{ B }

Average speed in ( m/s )

23.43 \:  ✓  \: m/s

{ C }

Magnitude

14.06 \:  ✓  \: m/s

Direction

25.52 \:  ✓  \: ° South  \: of \:  West

5 0
3 years ago
A 2.00 kg block hangs from a spring. A 300 g body hung below the block stretches the spring 2.00 cm farther. (a) What is the spr
Leokris [45]

The spring constant is 147 N/m

Given the mass of the block is 2.00 kg , the mass of the body is 300 g and the length of the spring is 2.00 cm

We need to find the spring constant

A spring is an object that can be deformed by a force and then return to its original shape after the force is removed.

The force required to stretch an elastic object such as a metal spring is directly proportional to the extension of the spring

We know that F = kx

300(9.8)= k (0.02)

k = 147.15 N/m

Rounding off to the nearest is 147N/m

The spring constant is 147N/m

Learn more about Hooke's law here

brainly.com/question/15365772

#SPJ4

7 0
2 years ago
You are throwing a stone straight-up in the absence of air friction. The stone is caught at the same height from which it was th
balu736 [363]

Answer:

A. True

Explanation:

When a stone is thrown straight-up, it has an initial velocity which decreases gradually as the stone move to maximum height due to constant acceleration due to gravity acting downward on the stone, at the maximum height the final velocity of the stone is zero. As the stone descends the velocity starts to increase and becomes maximum  before it hits the ground.

Height of the motion is given by;

H = \frac{u^2}{2g}

g is acceleration due to gravity which is constant

H is height traveled

u is the speed of throw, which determines the value of height traveled.

Therefore, when the stone is caught at the same height from which it was thrown in the absence of air resistance, the speed of the stone when thrown will be equal to the speed when caught.

7 0
3 years ago
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