Asked by Roman
A ball masss 0.2 kg is tied to the end of the string and whirled in a horizontal circle of the radius 0.4m if ball complete 10 revolution in 4 s determine the. Linear speed and centeripetal acceleration and force
Answers
Answered by
Roman
But i am not understand this condition of question
Answered by
oobleck
the distance of one revolution is the circumference of the circle
C = 2πr = 0.8π m
The frequency is 10rev/4s = 2.5 Hz
so the linear speed is v = 0.8πm * 2.5/s = 2π m/s
as usual,
the acceleration is a = v^2/r
force F = ma
C = 2πr = 0.8π m
The frequency is 10rev/4s = 2.5 Hz
so the linear speed is v = 0.8πm * 2.5/s = 2π m/s
as usual,
the acceleration is a = v^2/r
force F = ma
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