Question

How long does it take light to travel 2462 mi, the distance between LA and NY? Provide the answer in ms. (1 mi= 5280 ft, 1ft= 12 in., 1 in.= 2.54 cm)
Please go through this detail by detail because Chemistry is a really hard subject for me to understand. Thank You:)

Answer 1

We know that:
speed = distance / time
time = distance / speed
The speed of light is 3 x 10⁸ m/s
Now, we must convert the distance to meters to obtain our answer in seconds. After that, we will multiply it by 1000 to obtain the answer in milliseconds(ms)
1 mile = 5280 ft
2462 miles = 2462 x 5280 = 12999360 ft
1 ft = 12 inches
12999360 ft = 12999360 x 12 = 155992320 in
1 in = 2.54 cm
155992320 in = 155992320 x 2.54 = 396220492.8 cm
1 m = 100 cm
396220492.8/100 = 3962204.928 m
Time = 3962204.928 / 3 x 10⁸
= 0.0132 seconds
1 s = 1000 ms
0.0132 x 1000 = 13.2 ms

Answer 2

The light takes 13,2073 ms to travel 2462 mi, the distance between LA and NY

Further explanation

Regular straight motion is the motion of objects on a straight track that has a fixed speed

Formula used

$S=\:v\times\:t$

S = distance = m

v = speed = m / s

t = time = seconds

Straight motion changes regularly is the straight motion of objects that have a fixed acceleration

Formula used

$St=vot+\frac{1}{2}at^2$

V = vo + at

Vt² = vo² + 2as

St = distance on t

vo = initial speed

vt = speed on t

a = acceleration

The distance that light travels can be considered using the principle of irregular straight motion because it has a constant speed

The speed of light itself is 3.10⁸ m / s

The distance between LA and NY = 2462 mi, so we convert the units to m

Because 1 mi = 5280 ft, 1ft = 12 in., 1 in. = 2.54 cm, then

2462 mi = 2462 mi x 5280 ft x 12 in x 0.0254 m

2462 mi = 3962204,928 m

We use the straight-line motion formula

S = v x t

t = S : v

t = 3962204,928 m : 3,108 m / s

t = 0.0132073 s

conversion to milisecon :

t = 0.0132073 s x 1000 ms

t = 13,2073 ms

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Keywords: light, distance, speed, time