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A uniform 20.0 kg chain 2.00 m long supports a 55.0 kg chandelier in a large public building.
A) Find the tension in the bottom link of the chain.
B) Find the tension in the top link of the chain.
C) Find the tension in the middle link of the chain.
Concrete is pumped from a cement mixer to the place it is being laid, instead of being carried in wheelbarrows. What is the viscosity of the concrete, assuming the flow is laminar
You're an optometrist, mounting a projector at the back of your 3.8m -long exam room, 2.6m above the floor. At what height should you center the pattern on the wall
A 1.85 kg mass is attached to a light cord that is wrapped around a pulley of radius 2.55 cm, Find the moment of inertia of the pulley
What would be the radius of curvature of the cornea
A disk of mass M and radius R is initially at rest. It is acted upon by a constant torque N for a time t. what was the minumum power rating of the motor
Two passenger trains A and B, each 220 m long, pass a 50 m long railroad platform in Winnepeg. The trains are moving in opposite directions at equal speeds of 0.670c with respect to the ground, What is the difference in arrival times
Two forces act on a car. Force A is 120 N, west and force B is 200 N at 60° N of W. What is the direction of the resultant force on the car
Two cars cover the same distance in a straight line. Car A covers the distance at a constant velocity. Car B starts from rest and maintains a constant acceleration. Both cars cover a distance of 547m in 221s.
A particle oscillates with S.H.M. The maximum displacement from its mean position is 0.5 meter and frequency of motion is 10 Hz. at time t=0, particle is located at 0.15 meter and has the velocity of 24.0 m/s towards the negative x-axis.
The linear coefficient of thermal expansion for concrete is 12x10^-6 ºC^-1. Consider a slab of concrete which is 4.0 m long at 0.0 ºC. What seems to be the primary safety concern in the lab
A tiny sphere with a charge of q = +6.0 µC is attached to a spring. Two other tiny charged spheres, each with a charge of ?4.0-µC, are placed in the positions, in which b = 3.8 cm. The spring stretches 5.0 cm from its previous equilibrium position..
The maximum angular magnification of a magnifying glass is 12.0 when a person uses it who has a near point that is 25.0 cm from his eyes. Obtain the focal length of the objective
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