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Angelina_Jolie [31]
3 years ago
7

this ones pretty easy! I'm just too lazy to figure it out, whats 1/2 multiplied by 3 and 1 3/4 multiplied by 3?

Mathematics
2 answers:
galina1969 [7]3 years ago
6 0

Answer:

1. 1 1/2

2. 5 1/4

Step-by-step explanation:


Inessa [10]3 years ago
4 0
1/2 multiplied by 3 is 1.5
13/4 multiplied by 3 is 39/4 I think I’m not sure
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The initial age of 10 years and the spaceship speed of 0.60•c, gives the Andrea's age at the end of the trip as 18 years.

<h3>How can Andrea's new age be calculated?</h3>

The time dilation using the Lorentz transformation formula is presented as follows;

t' =  \frac{t}{ \sqrt{1 -  \frac{ {v}^{2} }{ {c}^{2} } } }

From the question, we have;

The spaceship's speed, <em>v</em> = 0.6•c

∆t = Rest frame, Courtney's time, change = 10 years

Therefore;

\delta t' =\delta t \times  \sqrt{1 -  \frac{ {(0.6 \cdot c)}^{2} }{ {c}^{2} } } = 8

The time that elapses as measured by Andrea = 8 years

Andrea's age, <em>A</em>, at the end of the trip is therefore;

A = 10 years + 8 years = 18 years

Learn more about the Lorentz transformation formula here:

brainly.com/question/15544452

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2 years ago
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7.90

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A study was conducted on 64 female college athletes. The researcher collected data on a number of variables including percent bo
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