idk5233
02.01.2020 •
Mathematics
A0.5 kg block is moving at constant speed on a horizontal surface. the friction force acting on the block is 20n, calculate uk
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Ответ:
4.9 N * 9.8 m/s2 = 20 N * ukuk is equal then to 0.245.
Ответ:
Step-by-step explanation:
Given
mean
Standard deviation
From z table