Một đĩa tròn có bán kính 20cm đang đứng yên, được quanh nhanh dần đều sau 10s thì đạt vận tốc góc 180 vòng/phút. Hãy xác định: a
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Answer:
The value is
Explanation:
From the question we are told that
The velocity is [/tex]
The time taken is
The time taken for contact is
The velocity of the of the car after contact is [/tex]
From the equation of kinematics we have that
Here u = 0 \ m/s since the car is initially motionless
=>
=>