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A circus performer stretches a tightrope between two towers. He strikes one end of the rope and sends a wave along it toward the other tower. He notes that it takes the wave 0.960 second to reach the opposite tower, 20.0 meter away. If a 1 meter length of the rope has a mass of 0.345 kilogram, compute what the tension in the tightrope.
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In the lungs there are tiny sacs of air that are called alveoli. An oxygen molecule (mass = 5.30 x 10-26 kg) is trapped within a sac, and the uncertainty in its position is 0.140mm. What is the minimum improbability in the velocity of this oxygen ..
Visualize the one cubic centimeter as formed by stacking up identical cubes, with one copper atom at the center of each. Determine the volume of each cube.
A falling stone takes ?t = 0.26s to travel past a window2.2 m tall, From what height above the top of the window did the stone fall
Use the unit factor method to solve the following problems. Set up each problem in the exact same way (using all six steps). Show all your work. Apples sell for 43 cents a pound. How much do 3.2 pounds of apples cost? Gold costs $500 per ounce. A sol..
Two loud speakers face each other, vibrate in phase, and produceidentical 451 Hz tones. A listening walks from one speakertoward the other at a constant speed and hears the loudness change(loud-soft-loud) at a frenquency of 2.84 Hz.
As your plane circles an airport, it moves in a horizontal circle of radius 2500 meter with a speed of 400 km/h. obtain at what angle should the plane be banked therefore that it doesn't tend to slip sideways
An individual is running around a turn with an 11 meter radius at 3.75 meter per second. Find what is the runner centripetal acceleration
A proton collides elastically with another proton that is initially at rest. The incoming proton has an initial speed of 4.60 105 m/s, Find the final speeds of the two electrons
A thin, uniform rod is hinged at its midpoint. To begin with, one-half of the rod is bent upward and is perpendicular to the other half. What is the angular velocity of the straight rod
Suppose you have two equal mass objects both on a gentle incline. One is a glider on an air track while the other is a ball on a straight slope. Explain what type of energy both objects have
A worker stands still on a roof sloped at an angle of 23° above the horizontal. He is prevented from slipping by a static frictional force of 540 N. Find out the mass of the worker.
A 10.0kg stone slides down a snow-covered hill (the figure (Figure 1) ), leaving point A with a speed of 10.0m/s. How far will the stone compress the spring
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