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Nat2105 [25]
3 years ago
10

What is angular velocity

Physics
1 answer:
butalik [34]3 years ago
7 0

Answer:

angular velocity(ω) is the rate change of angular displacement.

ω=θ/t and it SI unit is rad/s

Explanation:

this is very similar with the definition of linear velocity (rate of change of displacement). it specifies the angular speed of an object and the axis about which the object is rotating.

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A rocket is fired at 100 m/s at an angle of 37, what was its total speed when it landed?
disa [49]

Answer:

100 m/s

Explanation:

Let find the velocity components first

Fx = 100 * cos (37)   = 79.86 m/s

Fy = 100 * sin (37)   =  60.18 m/s

applying motion equations

  • Horizontal motion

assuming no acceleration in horizontal direction we can assure that the ending velocity component will still remain  Fx = 79.86 m/s

  • Vertical motion  (upwards)

V² = U² +2as

    =  60.18² + 2*(-10)*0

Fy  = 60.18 m/s

Total speed = √(F²x+F²y) = 100 m /s

*** You can take the same answer considering the Energy

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