механические явления, формулы движения Flashcards

1
Q

средняя скорость

A

V=S/t

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2
Q

Зависимость координаты тела от времени в случае

равномерного прямолинейного движения:

A

x(t)=x0+Vox+(at²)/2

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3
Q

Формула для вычисления скорости через радиус

окружности и период обращения:

A

v=(2пR)/T

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4
Q

Центростремительное ускорение.

A

a(ц)=V²/r

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5
Q

Формула, связывающая период и частоту

обращения

A

T = 1/n

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6
Q

ускорение

A

a = (V-V0)/t

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7
Q

угловая скорость

A
ω = (ф2-ф1)/(t1-t2)
ω = 2пn
ω= v/r
ω = 2п/T
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8
Q

линейная скорость

A
v = 2пrn
v = 2пr/T
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9
Q

время падения

A

t = √2h/g

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10
Q

дальность падения

A

l = v₀√h/g

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