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1. Convert 300 rpm into rad/s
10π rad/s ≈ 31.4159 rad/s
2. A wheel rotates through 90° in 2 seconds Find its angular velocity in rad/s
π/4 rad/s ≈ 0.785398 rad/s
3. A fan makes 120 revolutions per minute What is its angular speed in rad/s
4π rad/s ≈ 12.5664 rad/s
4. A car wheel of radius 0.4 m rotates at 10 rad/s Find the linear speed of the car
4 m/s
5. If angular acceleration is 2 rad/s² how much angular velocity is gained in 5 s
10 rad/s
6. A body rotates from rest with α = 3 rad/s² Find ω after 4 s
12 rad/s
7. A wheel makes 50 revolutions Find the angular displacement in radians
100π rad ≈ 314.1593 rad
8. A rotating disc has ω = 20 rad/s and radius = 0.2 m Find the linear velocity
4 m/s
9. A wheel accelerates uniformly from rest to 12 rad/s in 6 s Find angular acceleration
2 rad/s²
10. A fan blade has r = 0.25 m If ω = 15 rad/s find the tip speed
3.75 m/s
11.A bicycle wheel of radius 0.35 m rolls without slipping with linear speed 7 m/s Find its angular velocity in rad/s
20 rad/s
12. A disc rotates with angular speed 8 rad/s What is the time for one revolution
π/4 s ≈ 0.785398 s
