Physics, 12.07.2019 22:30 coryintheswamp

Aspaceship travels at a speed of 0.95c to the nearest star, alpha centauri, 4.3 light years (ly) away. how long does the trip take from the point of view of the passengers on the ship? a. 1.4 ly b. 1.0 ly c. 4.5 ly d. 14 ly e. 0.44

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Answer from: jacamron

A 1.4ly

Explanation:

speed v= 0.95c c= speed of light distance t₀=4.3ly

As per the time dilation priciple we know that

$t=t_{0}\sqrt {\frac {c^2 -v^2}{c^2}}$

$\Rightarrow t=4.3\sqrt {1-0.95^2}$

t=1.4 ly

therefore, it will take 1.4ly for the trip from the point of view of passenger on ship. ly here is light year.

Answer from: Quest

in simple terms, the principle states that the buoyancy force on an object is equal to the weight of the fluid displaced by the object, or the density of the fluid multiplied by the submerged volume times the gravitational acceleration, g. this is also known as upthrust.

Answer from: Quest

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Aspaceship travels at a speed of 0.95c to the nearest star, alpha centauri, 4.3 light years (ly) awa...

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