Mertsj
  • Mertsj
@wasiqss How is it 50 pi radians per second? If you contradict an answer you should provide a reason.
Mathematics
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
original question?
wasiqss
  • wasiqss
the speed was 25 m/s,so it means 25 rev in one second, hence 1 rev = 2pie so multiply 2 pie with 25
Mertsj
  • Mertsj
25 m per second does not mean 25 rev in 1 sec since 1 rev is pi m not 1 meter

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TuringTest
  • TuringTest
I wanna know the question as well now
anonymous
  • anonymous
it would help if we know size of wheel
Mertsj
  • Mertsj
a truck is moving at a rate of 90km/hr, and the diameter of its wheel is 1 meter. find the angular speed of the wheels in radians per second.
TuringTest
  • TuringTest
it is a circumference of pi
Mertsj
  • Mertsj
Of course. That is what I said.
TuringTest
  • TuringTest
I know, just backing you up
anonymous
  • anonymous
It is 50 rad/sec
wasiqss
  • wasiqss
diameter was one meter
Mertsj
  • Mertsj
Yep so 1 revolution is C = Pi times diameter or pi meters
anonymous
  • anonymous
90000 ------- = cycle per hours 2 pi .5 90000 ------- 1/3600 = cycle per second 2 pi .5 90000 ------- *2pi*1/3600 =(90000/.5)*1/3600= radian per second
wasiqss
  • wasiqss
i rev= 2pie, hence 25 rev means 50 pie
anonymous
  • anonymous
who said 25 rev?

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