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Gre4nikov [31]
3 years ago
7

To t

Physics
1 answer:
daser333 [38]3 years ago
4 0

Answer:

Welcome ShalomMHNCB Phx

Explanation:

the answer is because I just had this question and I got it wrong so te answer is 0.43

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A wheel starts from rest and rotates with constant angular acceleration to reach an angular speed of 12.9 rad/s in 2.98 s.
PtichkaEL [24]

Explanation:

(a) Find the magnitude of the angular acceleration of the wheel.

  • angular acceleration = angular speed /time
  • angular acceleration = 12.9/2.98 = 4.329rad/s²

(b) Find the angle in radians through which it rotates in this time interval.

  • angular speed = 2x3.14xf
  • 12.9rad = 2 x3.14

  • rad = 6.28/12.9
  • rad = 0.487

Now we convert rad to angle

  • 1 rad = 57.296°
  • 0.487 = unknown angle
  • unknown angle =57.296 x 0.487 = 27.9°

The angle in radians = 27.9°

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Explanation:

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