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Pepsi [2]
3 years ago
11

If you could travel to a star 25 light-years away and return to earth at nearly the speed of light, how much time would elapse o

n earth?
Physics
2 answers:
anastassius [24]3 years ago
7 0
Millions and millions of years
lyudmila [28]3 years ago
6 0
50 years, would it not be, because time moves on no matter what, so 25ish plus 25ish would be 50 years. Good question
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Here on Earth you hang a mass from a vertical spring and start it oscillating with amplitude 1.9 cm. You observe that it takes 3
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Answer:

T = 3.23 s

Explanation:

In the simple harmonic movement of a spring with a mass the angular velocity is given by

               w = √ K / m

With the initial data let's look for the ratio k / m

The angular velocity is related to the frequency and period

           w = 2π f = 2π / T

            2π / T = √ k / m

            k₀ / m₀ = (2π / T)²

            k₀ / m₀ = (2π / 3.0)²

            k₀ / m₀ = 4.3865

The period on the new planet is

          2π / T = √ k / m

           T = 2π √ m / k

In this case the amounts are

           m = 6 m₀

           k = 10 k₀

We replace

            T = 2π√6m₀ / 10k₀

            T = 2π √6/10 √m₀ / k₀

            T = 2π √ 0.6  √1 / 4.3865

            T = 3.23 s

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Explanation:

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