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stepan [7]
3 years ago
9

Electrons returning to the ground state from varying excited states always:

Physics
1 answer:
Nuetrik [128]3 years ago
4 0
Emit radiation exactly equal in energy, to the energy difference between states.
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A 1500 kg car is pushing a 4000 kg truck. The car and truck are accelerating at 2.0 m/s^2. Assuming that the frictional force on
Crazy boy [7]

To solve this problem we will use the Force equation according to the definition given in Newton's second law. There we have that the Force is equal to

F =ma

Where,

m = mass

a = acceleration

Our values are given as

m_1 = 1500 kg

m_2 = 4000 kg

a = 2.0 m/s^2

Considering that both mass are equal to one, we have that:

F = (m_1+m_2)* a

F = (1500 + 4000)(2.0)

F = 11000 N = 11kN

Therefore the truck exert a force on the car of 11kN

7 0
3 years ago
An 1,820 W toaster, a 1,420 W electric frying pan, and a 55 W lamp are plugged into the same outlet in a 15 A, 120 V circuit. (T
vodka [1.7K]

Answer:

toaster- 15.1A

electric frying pan- 11.8 A

lamp- 0.5 A

b) The combination will blow the fuse.

Explanation:

When devices are connected in parallel, the potential difference across each of the devices is the same but the current through each is different. Hence;

V= 120 V

Power= IV

For the toaster;

I= 1820/120 = 15.1 A

For the electric frying pan;

I= 1420/120 = 11.8 A

For the lamp;

55/120 = 0.5 A

Total current = 15.1 +11.8 + 0.5 = 27.4 A

The combination will blow the fuse.

4 0
3 years ago
Read 2 more answers
What speed would an object have to travel to increase its mass by 50%?
ANEK [815]

Answer:

the point the mass of an object will increase when traveling at relativistic speeds

Explanation:

m = m0/((1 - v2/c2))1/2

m0 = the mass measured at rest relative

<em>m = the mass measured by the observers on the other reference frame.</em>

<em>v = the speed of the object</em>

<em>c = the speed of light in a vacuum</em>

<em />

8 0
3 years ago
Which of the following best explains work?
Anna71 [15]

Answer:

<h2>Which of the following best explains work?</h2>

<h3><em>Work occurs when a force acts on an object and causes a displacement of that object</em><em>.</em><em>.</em></h3>

<em>hope</em><em> </em><em>this</em><em> </em><em>helps</em><em> </em><em>u</em><em>.</em><em>.</em>

5 0
2 years ago
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Which is in the Moneran kingdom? A. plants B. bacteria C. animals D. mushrooms
Stells [14]

Answer: b

Explanation:

6 0
3 years ago
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