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Q1. A 62.6-kg chandelier is suspended 1.5 m below a ceiling by three wires, each of which has the same tension and the same length of 2.0 m (see the drawing). Find the tension in each wire.
Q2. A skater holds her arms outstretched as she spins at 190 rpm. What is the speed of her hands if they are 129 cm apart?
Q3. The 3.3 kg piece of wood slides on the surface. The curved sides are perfectly smooth, but the rough horizontal bottom is 35 m long and has the kinetic friction coefficient of 0.24 with the wood. The piece of wood starts from rest 6.0 m above the rough bottom. Where will this wood finally come to rest? For the motion from an initial release until the piece of wood comes to rest, what is the total amount of work completed by friction?
Each speaker produces a tone with a frequency of 200 Hz on a day when the speed of sound is 330 m/s. The person is 1.65 m from one speaker and 4.95 m from the other. What sort of interference does the person sense.
A crate with mass 35.5 initially at rest on a warehouse floor is acted on by a net horizontal force of 120. What acceleration is produced.
Is the collision completely elastic
Compute the average intensity
James is scheduled for a job interview with Ms. Farrar. He knows that she is in charge of selecting, placing, and evaluating employees for her firm, but he cannot remember her educational background. Which is most likely Ms. Farrar's educational back..
Find the Youngs modulus for the muscle tissue
This magnetic field accelerates the electron in a circular motion. What is radius of the circle. The final situation is observed to be all water at 18°C. What was the mass of the ice cube.
What is an average velocity of the train throughout run
What is corresponding free energy change
If coefficient of kinetic friction between the box and the floor is 0.570, how long does it take to move the box 4.00 m, starting from rest.
What is the change in kinetic energy of the puck
A plate carries a charge of -3.9 µC, while a rod carries a charge of +2.2 µC. How many electrons should be transferred from the plate to the rod, so that both objects have the same charge.
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