2 years ago

Why is lighting visible before thunder is heard

Physics

2 answers:

mariarad [96]2 years ago

7 0

Answer:

Light is faster than sound.

Explanation:

Tamiku [17]2 years ago

3 0

Answer: Lightning is mostly light and electricity, this light that is hitting is going at a rate of 299,792.458 km per second (or 186,282 miles per second) this is so much compared to sound which only travels at about 761 mph (or approximately 332 meters per second). Fun fact: The lightening you are seeing is that coming back to the cloud because the process happens so fast.

Explanation:

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777dan777 [17]

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Explanation:

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2 years ago

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Answer:

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2 years ago

Read 2 more answers

A car traveling at a speed of 50.0 m/s encounters an emergency and comes to a complete stop. How much time will it take for the

ludmilkaskok [199]

Answer:

t=1.25s

Explanation:

The formula is

a= (V1-V0) /t

t = (V1-V0)/a

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3 years ago

The main energy source during exercise of low to moderate intensity is

zhannawk [14.2K]

Answer:

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Explanation:

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3 years ago

Determine the amount of time for polonium-210 to decay to one fourth its original quantity. The half-life of polonium-210 is 138

Tju [1.3M]

Answer:

276 days

Explanation:

1/4 th of the original means <u><em>2 half lives</em></u>

1 half life = 138 days

So,

2 half lives = 276 days

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3 years ago