Asked by Adam
A wheel has an initial speed of 100 radians/s. It is then slowed down with a magnitude of the constant angular acceleration of 6.0s^-2. To make it come to rest, how many revolutions does it need to make?
Answers
Answered by
Steve
(100/s)รท(6/s^2) = 100/6 s
It starts with a speed of 100, and loses 6 every second...
It starts with a speed of 100, and loses 6 every second...
Answered by
Damon
initial speed = 100
final speed = 0
so average speed = 50 rad/s
How long does it take?
v = Vi - 6 t
0= 100 - 6 t
t = 100/6 = 16.7 s
so radians total = 50*16.7
divide by 2pi rad/revolution
50 ( 16.7) /6.28 = answer
final speed = 0
so average speed = 50 rad/s
How long does it take?
v = Vi - 6 t
0= 100 - 6 t
t = 100/6 = 16.7 s
so radians total = 50*16.7
divide by 2pi rad/revolution
50 ( 16.7) /6.28 = answer
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