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bulgar [2K]
4 years ago
15

During a total lunar eclipse, the moon remains visible because ________.

Physics
1 answer:
Semmy [17]4 years ago
3 0

During a total lunar eclipse, the Moon is still visible to the naked eye due to the fact that the atmosphere of our planet, which is Earth bends, which results to the scattering of some sunlight, which actually reaches the Moon during a Lunar Eclipse, which is why the Moon remains visible despite the occurrence of a full lunar eclipse.

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g 1. A mass undergoing simple harmonic motion along the x-axis has a period of T = 0.5 s and an amplitude of 25 mm. Its position
kondor19780726 [428]

Answer:

Explanation:

a )

Amplitude A = 14 mm , angular frequency ω = 2π / T

= 2π / .5

ω = 4π rad /s

φ₀ = initial phase

Putting the given values in the equation

14 = 25 cos(ωt + φ₀ )

14/25 = cosφ₀

φ₀ = 56 degree

x(t) = 25cos(4πt + 56° )

b )

maximum velocity = ω A

=  4π  x 25

100 x 3.14 mm /s

= 314 mm /s

At x = 0 ( equilibrium position or middle point , this velocity is achieved. )

maximun acceleration = ω² A

= 16π² x A

= 16 x 3.14² x 25

= 3943.84 mm / s²

3.9 m / s²

It occurs at x = A or at extreme position.

7 0
3 years ago
2(a)
Tamiku [17]

Answer:

2a.

a=1.13ms^-2

2b.

S=277m

2c.

V=27.7ms-¹

Explanation:

Initial Velocity (U)=22m/s¹

Final Velocity (V)=43m/s²

Time(t) =18.6s

a. a=V-U/t

a=43-22/18.6

a=1.129

a=1.13m/s²

2b.

S=ut+1/2 at²

s=22(10)+1/2×1.13(10)²

s= 220+0.57(10)²

s= 220+0.57(100)

s= 220+57

s=277m

2c.

V=U+AT

V=22+1.13(5)

V=22+5.65

V=22+5.7

V=27.7m/s¹

6 0
3 years ago
How much energy is transferred by five 60 watt bulb in 20 minutes
Annette [7]

(5 bulbs)·(60 watts/bulb)·(20 minutes)·(1 joule per sec/watt)·(60 sec/minute)

=  (5·60·20·1·60)  (bulb·watt·minute·joule per sec·sec) / (bulb·watt·minute)

=        360,000 joules
_____________________________________________

Another way:

Five 60-watt bulbs  =  300 watts  =  0.3 kilowatt

20 minutes  =  1/3 hour

              (0.3 kilowatt) · (1/3 hour)  =  0.1 kilowatt-hour
8 0
3 years ago
1. A car travels a distance of 200 m in 4 seconds. What is the velocity of the car?
dybincka [34]

Answer:

velocity = distance / time taken

= 200/4

= 50 m/s

is the correct answer

3 0
3 years ago
How do you think the research will help you grow into your future profession?
sukhopar [10]

it allows u to know things and remember them when you need to. It also helps you recognize ur skills and allows you to be an easy problem solver when u know the concept because u did some research and know the answer to a question.

Explanation:

4 0
2 years ago
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