Awheel, originally rotating at 126 rad/s undergoes a constant angular deceleration of 5.00 rad/s2. what is its angular speed after it has turned through an angle of 628 radians

97.96

Explanation:

The initial angular velocity is = 126 rad / s.

The constant angular deceleration is 5.00 rad / s2.

The constant angular deceleration is, by definition: dw / dt.

Separating variables

Integration (limits for w: 0 to W0; limits for t: 0 to t)

W is by definition , where is the angle.

Separating variables

Integration (limits for : 0 to 628; limits for t: 0 to t)

Put in on the typical form of a quadratic equation:

Solve by using the quadratic equation formula and discard the higher result because it lacks physical sense.

t=5.608 s

Evaluate at this time the angular velocity:

you have to draw the persons position over there

32: from largest to smallest, this hierarchy includes eons, eras, periods, epochs, and ages.

33: answer is c

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