A wheel of radius R =1 m is spinning about fixed axis at constant rate of 10 revolution per second what is angular speed of wheel
Answers
Radius r=1.5m,α=10rad/s
2
initial angular speed w
0
=
π
60
rpm
=2π×
π
60
×
60
1
rad/s
=2rad/s
Time t=2s
From rotational kinematics
w=w
0
+αt
2+10×2
=2+20
=22rad/s
and θ=w
0
t+
2
1
αt
2
=2×2+
2
1
×10×4
=4+20
=24rad
Answer:
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11th
Physics
Systems of Particles and Rotational Motion
Kinematics of Rotational Motion
A wheel of radius 1.5 m . i...
PHYSICS
Asked on December 26, 2019 byGuntha Bargali
A wheel of radius 1.5 m. is rotating at a constant angular acceleration of 10 rad/s2. Its initial angular speed is (π60) rpm. what will be its angular speed and angular displacement at t=2.0 sec?
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ANSWER
Radius r=1.5m,α=10rad/s2
initial angular speed w0=π60rpm=2π×π60×601rad/s=2rad/s
Time t=2s
From rotational kinematics
w=w0+αt2+10×2=2+20=22rad/s
and θ=w0t+21α