7: What is angular speed of a second hand of a clock. If the second hand is 10 cm long, find the linear speed at its tip.
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Q: Example 2. Starting from rest, a disk rotates about its central axis with constant angular…
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Q: When it has made 6.00 rev its angular velocity in rad/s is :
A: Answer is 18.21 rad/s Explanation is in next step.
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A: As per our guidelines, we are supposed to answer only first one question in case of multiple…
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A: Using the conservation of angular momentum,
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Q: A grinding wheel 0.31 mm in diameter rotates at 2700 rpm A) Calculate its angular velocity in rad/s…
A: diameter of wheel(d)=0.31 mm=0.31 X 10-3 m radius(r)=d2=0.31×10-3 m2=0.155×10-3 m angular velocity…
Q: n the figure, Pulley A, rotating at 20 rad/s, controls the motion of Pulley B. The motor of pulley A…
A: Given:- In the figure Pulley A, rotating at ωA= 20 rad/s, controls the motion of Pulley B. The…
Q: A dentist's drill starts from rest. After 3.30 s of constant angular acceleration it turns at a rate…
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Q: At a time t = 3.10 s, a point on the rim of a wheel with a radius of 0.170 m has a tangential speed…
A: Solution Given dataTime t=3.10secWheel radius r=0.170mTangential speed v=50m/sTangential…
Q: A 50-Nm torque acts on a wheel with a moment of inertia 150 kg m2. Part A) How many radians are…
A: Given:- The torque on a wheel is τ= 50 Nm. The moment of inertia of the wheel is I = 150 kgm2.…
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Q: The rotation of a potter's wheel is started by applying a force of 20N to the edge of the wheel. The…
A: i) The expression for find moment of inertia of wheel is I=rFα Substitute values in the above…
Q: A rope is wrapped around the rim of a large uniform solid disk of mass 135 kg and radius 2.70 m. The…
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Q: A wheel rotates with a constant angular acceleration. If the angular speed of the wheel is 3rad/s at…
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A: Write the expression for the angular acceleration. Here, a represents the tangential acceleration…
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Q: 3. A dentist causes the bit of a high-speed drill to accelerate from an angular speed of 1.40 x 10¹…
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Q: A rotating wheel requires 5.00 s to rotate 30.0 revolutions. Its angular velocity at the end of the…
A: Given that wheel's velocity after 5.00 sec is 99.0 rad/sec, So Using 1st rotational kinematic…
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A: GivenNo of revolutions Total time = 90 min
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Q: Wind generated 6.6% of the world’s electricity in 2021. The large-scale turbines generally rotate at…
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Q: A dentist's drill starts from rest. After 4.00 s of constant angular acceleration it turns at a rate…
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Q: A thin uniform rod 2.40 m long weighing 135 N has a frictionless pivot at one end, allowing it to…
A: Given,length of rod = 2.4 m Weight W =135 N Angle A = 55° We will use the concept of torque T =…
Q: The angular acceleration of a spinning toy is a = 5t3 – 4t. If at t = 0, the angular %3D velocity is…
A: Given: The equation of angular acceleration is α=5t3-4t. The angular velocity at t=0 is 5 rad/s.
Q: Chapter 08, Problem 29 Interactive Solution 8.29 offers a model for this problem. The drive…
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Q: 54. A cylinder with rotational inertia 11=2.0kg m2 rotates clockwise about a vertical axis through…
A: Given: I1 = 2.0 kg.m2ω1 = +5.0 rad/s(clockwise)I2 = 1.0 kg.m2ω2 =- 8.0 rad/s(counterclockwise)
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A: Given data, Angular speed ω=10 rev/s.
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Q: Your answer is partially correct. Try again. A disk, with a radius of 0.25 m, is to be rotated like…
A: Given that A disk, with a radius of 0.25 m, is to be rotated like a merry-go-round through 200 rad,…
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Q: A dentist causes the bit of a high speed drill to accelerate from an angular speed of 1.76e4 rad/s…
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