A girl on a rotating platform holds a pendulum in her hand. The pendulum is at a radius of 6.0 m from the center of the platform. The rotational speed of the platform is 0.020 rev/s. It is found that the pendulum hangs at an angle θ to the vertical, as shown. Find θ.

Q: The hook is hanging from a cord that is wound around a drum of 0.5 m radius. If the weight of the…

A:

Q: A professor sits on a rotating stool that is spinning at 10.010.0 rpm while she holds a heavy weight…

A: initial angular velocity = W1 = 10.01 rpm distance = r1= 0.775 m final angular velocity = W2 = 20.5…

Q: A solid disk of mass 1.20 kg and radius 20.0 cm is rotating at 1500 revolutions per minute (rpm)…

A: mass of the solid disc = 1.2 kg radius of the disc  R= 0.2mangular velocity…

Q: Problem 3: A truck with 0.420 m radius tires travels at 42 m/s. Randomized Variables v = 42 m/s

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Q: The angular position of a windmill changes with time as 4.19 t^2 (t^2 means t squared.) The windmill…

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Q: An object of mass m₁ = 4.70 kg is connected by a light cord to an object of mass m₂ = 3.00 kg on a…

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Q: A solid sphere of mass 1 kg and radius = 0.1 m (I = MR2/2) rolls down an inclined plane of height =…

A: The expression for the solid speed of the sphere,

Q: 4t

A:

Q: The motion of spinning a hula hoop around one's hips can be modeled as a hoop rotating around an…

A: mass (m) = 0.74 kg radius (r) = 0.67 m distance of rotation axis from the center of the hoop (d) =…

Q: One end of a cord is fixed and a small 0.400-kg object is attached to the other end, where it swings…

A: Note: as per the policy, only the first three subparts of the question will be solved. if you want…

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A: Given:-          A sphere radius r = 1.5 m

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Q: A thin, light wire is wrapped around the rim of a wheel. The wheel rotates without friction about a…

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Q: Your grandmother enjoys creating pottery as a hobby. She uses a potter's wheel, which is a stone…

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Q: A 17.5 kg thin spherical shell with radius 1.64 m, is rotating at 152 rev/min. It must be brought to…

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Q: A potter's wheel having a radius 0.55 m and a moment of inertia of 10.5 kg · m2 is rotating freely…

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A: Radius, r = 14 m Velocity, v = 7 m/s

Q: Ball A is attached to one end of a rigid massless rod, while an identical ball B is attached to the…

A: Step 1:Step 2:Step 3:Step 4:Step 5:

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Q: What is the magnitude of the rpm (revolution per minute) of a speck of clay on the edge of a…

A: Given, aR=4.8 m/s2 velocity = 1.56 m/s v=ωrr=vωa=rω2Putting the value of r we…

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Q: IP A popular ride at amusement parks is illustrated in the figure ( Eigure 1). In this ride, people…

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Q: A ball rolls on a circular track of radius 0.63 m with a constant angular speed of 1.1 rad/s in the…

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Q: A particle is moving at a constant velocity in a circular orbit of radius R = 1.5 (m). As shown in…

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A: The initial velocity of the ball, vi = 2.62 m/s The initial position of the ball, hi = 0 m The final…

Q: What is the linear speed due to the Earth’s rotation of a point on the Earth (latitude 36.0 N)? The…

A: In a rotating rigid body, the velocity of any point is proportional to its radial distance from the…

Q: What is the magnitude of the rpm (revolution per minute) of a speck of clay on the edge of a…

A: Given that,  velocity =  1.56 m/s  angular acceleration a R=4.8 m/s 2 . Let, the radius of the wheel…

Q: Your grandmother enjoys creating pottery as a hobby. She uses a potter's wheel, which is a stone…

A:

Q: A person pushes on a lever 0.7 meters away from the axis of rotation with 100 N of force. The…

A:

Q: The motion of spinning a hula hoop around one's hips can be modeled as a hoop rotating around an…

A: Given that, mass of the hula hoop is m=0.72kg and the radius is R=0.65m and the distance from the…

Q: A bicycle is turned upside down while its owner repairs a flat tire on the rear wheel. A friend…

A: Given: The radius of the front wheel = 0.408 m Height of the drop from the tire = 54.3 cm Height of…

Q: A tire is rotating at an angular velocity of 51.6 radians/s. The radius of the tire is 1.9 m. Find…

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Q: One end of a cord is fixed and a small 0.400-kg object is attached to the other end, where it swings…

A: (a) From kinematics ∑FC=maCT-mgcosθ=maCT=maC+mgcosθ=maC+gcosθ=mv2r+gcosθ=0.400 kg5.50 ms21.50 m+9.81…