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andre [41]
3 years ago
5

(100 pts)Why can't you use distance divide by time to calculate the instantaneousspeed?​

Physics
2 answers:
Fiesta28 [93]3 years ago
4 0

Answer:

Instantaneous speed means speed at any instant

that means Speed is changing with time

You know speed is distance/time

So that means distance is also changing with time

So we take infinitesimal small distance per infinitesimal small time As we assume speed is constant in infinitesimal small time dt

So, we take speed = ds/dt

ds = infinitesimal small distance

dt = infinitesimal small time

As its ratio is equal to speed at any instant

Note : We are taking infinitesimal small distance

But :) we are taking infinitesimal small time also

As you know if denominator is small fraction is large So fraction always give large value

So it's not O ( this makes confuse to most of students)

So, thanks

Good question

Keep thinking like this :)

Korvikt [17]3 years ago
3 0

<u><em>mph/mps</em></u>

there you go kind sir

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