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erik [133]
2 years ago
14

The song Arirang is an example of korean F_L_ _O N_​

Physics
1 answer:
sergij07 [2.7K]2 years ago
7 0
Folk song

(Word cap filler)
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A 5-kg object slides down a frictionless surface inclined at an angle of 30º from the horizontal. The total distance moved by th
erma4kov [3.2K]

Answer:

Workdone =0

Explanation:

The body is inclined at θ=30°,     s=10m,  m=5kg

Workdone by the object = FsCosθ

but the surface is a friction-less surface, this means coefficient of friction =0

F=μR

F=0*R

F=0

W=FScosθ

W=0*SCosθ

W=0

7 0
3 years ago
Derek reads a rate of 25 words per min. How long would it take him to read a 225 work article if he read at a constant rate with
atroni [7]
Hello there! Your answer is (255/25=9) hope it helps and have a wonderful day!
6 0
4 years ago
A hair dryer draws 11 A when it is connected to 120 V. If electrical energy costs $ 0.09/kW·h, what is the cost of using the hai
Papessa [141]

Answer:

The cost of using the hair dryer for 15 minutes is \$3.6\bar 6

Explanation:

The parameters given in the question are;

The electric current drawn by the the air dryer, I = 11 A

The voltage to which the hair dryer is connected, V = 120 V

The duration of usage of the hair dryer = 15 minutes = 60 minutes /4 = 1 hour/4 = 0.25 hour

The electrical energy costs $0.09/kW·h

The power consumed by the hair dryer = I × V = 11 × 120 = 1320 Watts = 1.32 kW

The energy used by the hair dryer in 15 minutes (0.25 hour) = 1.32 × 0.25 0.33 kW·h

The energy used by the hair dryer in 15 minutes (0.25 hour) = 0.33 kW·h

The energy cost = $0.09/(kW·h)

Therefore;

The cost of using the hair dryer for 15 minutes (0.25 hour) = 0.33 kW·h/($0.09/(kW·h)) = $33/9 = $3 2/3 = $3.6\bar 6.

6 0
3 years ago
A skateboader is accelerating forward how would his acceleration change if he had more mass
Masteriza [31]
Answer: If the force stays the same, the acceleration would decrease
6 0
3 years ago
Select all of the answers that apply.
Kruka [31]
The answer is letter A. meteorite bombardment.
During the Earth's earliest beginning, it went through a period of catastrophic and intense formation. By 3-8- 4.1 billion years ago, Earth's atmosphere was never the same as today. This is because of its formation during the pre-Cambrian period whereby t<span>he Earth formed under so much heat and pressure that it formed as a molten planet.
</span>

Earth was bombarded continuously by the remnants of the dust and debris — like asteroids, meteors and comets — until it formed into a solid sphere, pulled into orbit around the sun and began to cool down during the Hellish period (4.5 to 3.8 billion years ago).

<span> </span>.To know more of this topic, see attached file.

 

Download docx
6 0
3 years ago
Read 2 more answers
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