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MAVERICK [17]
3 years ago
12

If the Large Hadron Collider is 27 km long, and visible light travels 3.0 × 108 m/s, how long does it take a ray of visible ligh

t to travel from one end of the collider to the other?
Chemistry
2 answers:
marysya [2.9K]3 years ago
8 0

Answer:

C) 9.0 x 10^-5 s

Valentin [98]3 years ago
6 0
27 km = 27000m. Time = distance/speed = 27000/3x10^8 = 9x10^-5 s. 
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3 years ago
Perform the following operation and express the answer in scienfific notation 7.5x10 ^9 - 2.5 x 10^8
ycow [4]

The answer is in scientific notation 34^67 42’063 1220.

The correct form for scientific notation is a x 10^b. where a is a number or decimal such that the absolute value of a is greater than or equal to 1 and less than 10, or 1 ≤ |a|. < 10. b is the power of 10 required to make the scientific notation mathematically equivalent to the original number.

To write this number in scientific notation, you must first shift the number of decimal places from the original number by 4 places between 4 and 2. We're subtracting from the exponent because we're shifting the decimal four places to the right.

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A stable nuclei will have equal numbers of
Marina86 [1]

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Protons and Neutrons

Explanation:

8 0
3 years ago
Read 2 more answers
What is the specific heat capacity of a metal if it requires 177.5 J to change the temperatures of 15.0g of the metal from 25.00
Vikentia [17]

Answer:

The specific heat capacity of a metal is 1.31 J/g°C = C

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A classical excersise of calorimetry to apply this formula:

Q = m . C . ΔT

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4 years ago
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Fiesta28 [93]

Answer: option B and option C

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