Question

a wheel is 0.60m in radius is moving with a speed of 10m/s. find the angular speed?










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Answer 1

Answer

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