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Firlakuza [10]
3 years ago
13

What is the capital of USA​

Physics
2 answers:
Montano1993 [528]3 years ago
5 0
Washington, or D.C.
Mrac [35]3 years ago
4 0
The answer is : Washington DC
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A large lightning bolt is observed to have a 19500 A current and move 36 C of charge. What was its duration?
Lynna [10]

Answer:

Its duration is 1.85*10⁻³ s or 1.85 ms

Explanation:

The intensity of electric current I is defined as the amount of electric charge Q (measured in Coulombs) that passes through a section of a conductor in each unit of time. The letter I is used to name the Intensity and its unit is the Ampere (A).

The intensity of electric current is expressed as:

I=\frac{Q}{t}

where:

I: Intensity expressed in Amps (A)

Q: Electric charge expressed in Coulombs (C)

t: Time expressed in seconds (s)

Being:

  • I= 19500 A
  • Q=36 C
  • t=?

Replacing:

19500 A=\frac{36 C}{t}

Solving:

19500 A*t= 36 C

t=\frac{36 C}{19500 A}

t= 1.85*10⁻³ s= 1.85 ms (being 1 s= 1,000 ms)

<u><em>Its duration is 1.85*10⁻³ s or 1.85 ms</em></u>

8 0
3 years ago
A hoodlum throws a stone vertically downward with an initial speed v0 from the roof of a building, a height h above the ground.
Vaselesa [24]
V2=u2+2as
v2=144+600
v2=744
v=√744
6 0
4 years ago
What are six reasons for having goals
ohaa [14]

Answer:

Without a goal, your efforts can become disjointed and often confusing

Helps you measure progress

Helps you stay motivated

Helps you beat procrastination

You Achieve More

Helps you determine what is important

Explanation:

Hope this helps!!!!!!!!!!!

Forever friend and helper,

Cammie:)

3 0
3 years ago
A pilot is flying from DFW to NYC. The air traffic controller directs him to fly 69° Northeast at 243 m/s. What is the y compone
kolezko [41]

Answer:

v_{y} = 227 m/s

Explanation:

Assumptions: 0° is true North, and 90° is east (along the x-axis).

To solve this problem we must use the expression:

v_{y} = v_{0}sin(\theta)

Where v_{y} is the velocity in the y-direction (East), v_{0} is the total velocity in the direction which the aircraft is travelling, and \theta is the direction the aircraft is travelling (angle from the y-axis).

Using the equation above, we obtain the y-component of velocity

v_{y} = (243)sin(69) = 226.86... m/s which is rounded to 227 m/s (due to the number of significant figures in the question).

8 0
4 years ago
Yasmin is testing an unknown solution to determine whether it is an acid or a base. She dips red litmus paper in the solution. I
victus00 [196]
The correct answer is D) It is not a base
7 0
3 years ago
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