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/sci/ - Science & Math


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12041890 No.12041890 [Reply] [Original] [archived.moe]

Lately I've been thinking about this stupid thing and it's been bugging me more than it should.
Basically lets say Im watching a 10 minute video. If I watch it at 1.25x speed, will be over in 7 min 30 sec if I watch it at 1.5, speed, will it be over in 5 mins? But then watching it in 2x speed = done in 5 mins, but isn't 1.5x speed = 50% of 10 mins which = 5 mins which = 1.5x speed done in 5 mins? Help me please I'm retarded.

>> No.12041910
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12041910

>>12041890
If 2x cuts your watch time in half, and 1.5 is between 2 & 1, therefore the watch time for 1.5x would be 7minutes and 30 seconds, with 1.25x being 8 minutes and 45 seconds.

>> No.12041927
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12041927

>Lately I've been thinking about this stupid thing and it's been bugging me more than it should.
Basically lets say Im watching a 10 minute video. If I watch it at 1.25x speed, will be over in 7 min 30 sec if I watch it at 1.5, speed, will it be over in 5 mins? But then watching it in 2x speed = done in 5 mins, but isn't 1.5x speed = 50% of 10 mins which = 5 mins which = 1.5x speed done in 5 mins? Help me please I'm retarded.

>> No.12041963

>>12041910
But 25% of 600 seconds is 150 seconds so 600-150=450 seconds which = 7 mins 30 seconds soo..?

>> No.12041990

>>12041890
1.25x squeezes 10 minutes to 8
1.25 = 5/4
10 *4/5 = 8

1.5 = 3/2
10 * 2/3 = 6.66...

2.0 = 2/1
10 * 1/2 = 5

>> No.12042076
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12042076

>>12041890

Write the playback speed as a fraction (e.g. [math]1.5 = \frac{3}{2}[/math]). Flip over this fraction and multiply it by the video length. The result is the time it will take to watch the video at the given speed.

>> No.12042116

>>12041963
by your logic, if you watch at 2x speed, then 100% of 600 seconds is 600 seconds so 600-600=0 seconds, so a 2x speed video would finish in 0 seconds

>> No.12042155

don't even get started on 1.75 speed though it's not worth when you can just go to 2.0

>> No.12042178

>>12041890
who knew wojak posters were retarded

>> No.12042254

>>12041890
Just divide the video length by the multiplier:

10 mins / 1.25 = 8 mins
10 m / 1.5 = 6.6 m
10 m / 2 = 5 m
10 m / 5 = 2 m

>> No.12042324

>>12041890
Why watch a thing you don't even want to watch you retarded fucking zoomer

>> No.12042422

>>12041890
the absolute state of /sci/

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