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larisa86 [58]
2 years ago
7

The diagram shows the Earth rotating on it's axis. The two stars show different locations on the surface... How long does it tak

e for the locations to rotate completely around the Earth and get back to the same spots? *
About 60 minutes (1 hour)
About 24 hours (1 day)
About 1 month (28 days).
About 365 days (1 year)
About 10 years (1 decade)

Physics
2 answers:
amid [387]2 years ago
6 0
My guess would be about 10 years because stars are hot balls of light that are reflections from years ago so it would most likely take awhile
nalin [4]2 years ago
3 0
About 365 days (1 year) because the Earth takes 1 year to take one full spin
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Two spectators at a soccer game in Montjuic Stadium see, and a moment later hear, the ball being kicked on the playing field. Th
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Answer:

a) 68.943 m

b) 41.846 m

c) 80.648 m

Explanation:

Given:

Delay in time for spectator A, t₁ = 0.201 s

Delay in time for spectator B, t₂ = 0.122 s

the delay in sound heard is the due to the distance being traveled by the sound from the kicker to the spectator

thus,

a) Distance of the kicker from A,

d₁ = speed of sound × time taken

d₁ = 343 m/s × 0.201 s = 68.943 m

b)  Distance of the kicker from B,

d₂ = speed of sound × time taken

d₂ = 343 m/s × 0.122 = 41.846 m

c) Since the angle between the two spectators for the player is 90°

thus, a right angles triangle is formed.

where, the distance between the spectators is the hypotenuses (s) of the so formed triangle

Therefore,

s² = d₁² + d₂²

on substituting the values, we get

s² = 68.943² + 41.846²

or

s² = 6504.22

or

s = √6504.22

or

s = 80.648 m

hence, the distance between the spectators is 80.648 m

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