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1234567890198
@1234567890198
July 2022
1
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решите задачу.
дано:
m=500 г
V-20 см/с
Найти Ek-?
V-это скорость
Ek- кинетическая энергия
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Answers & Comments
kotna360
M = 0.5 kg
v = 0.2m/c
ek = mv²/2 = 0.5*0.04/2= 0.002/2 = 0.001 джоулей
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Answers & Comments
v = 0.2m/c
ek = mv²/2 = 0.5*0.04/2= 0.002/2 = 0.001 джоулей