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Ann [662]
2 years ago
9

I desperately need help with my Physics Exam I am failing this class will mark Brainliest to whoever helps the most: PART 1 (I d

on't want to overwhelm anyone so I'm posting my questions in parts) Also the questions marked are incorrect, so just work with the 3 remaining answers.
10000000 thank you's

Physics
1 answer:
GREYUIT [131]2 years ago
6 0
  1. Option 2nd is correct

  1. last option is correct
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How do I calculate how many meters are in 7.2 light years?
Vikentia [17]

Answer:

68.2 Quadrillion meters

Explanation:

A lightyear is the distance that light travels in one year.

Speed of light is 3*10^8\ m/s

So light covers 300,000,000 meters in one second.

One year has 31536000 seconds so , light covers

9.461*10^{15}\  meters\ in\ one\ year

so 7.2 light years is

7.2*(9.461*10^{15})\\6.82*10^{16}

so 7.2 light years is

6.82 x 10^(16) meters or

68.2 Quadrillion meters

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Wind blows from what pressure to what pressure
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b. par orbital flight

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Which refers to a material that causes a wave to bounce off of it?
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