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If you blow over the top of a bottle carefully you can generate a tone through the process of standing waves. The tone gets higher if there is a liquid or beverage filling part of the bottle. Explain why blowing over the bottle creates a standing wave, and why the tone increases as the bottle is filled.
You would like to store 8.1 J of energy in the magnetic field of a solenoid. The solenoid has 530 circular turns of diameter 7.2 cm distributed uniformly along its 28 cm length. How much current is needed? What is the magnitude of the magnetic fiel..
An automobile emits 20 lbs of CO2 per gallon of gasoline burned. If the U.S. burns 200 million of gallons of gasoline every year, how many billions of lbs of CO2 are emitted every year?
Explain why Brownian motion provides evidence for the existence of atoms and molecules. Describe the Difference between elements, compounds, and mixtures. Which would be easier to separate, a mixture or a compound? Explain your answer
A charged particle moves 19 mm in electric field with magnitude of 242 N/C If electrical potential energy of moving charge decreases by 91.3 x 10^-19 J due to this motion what is the charge of this moving particle
In Problem, the specimen fails at a torque = 8000 ft-lb and an angular deflection = 23°. Calculate the shear strength of the metal.
Establish the wave functions and the general expression
Flywheels are large, massive wheels used to store energy. They can be spun up slowly, then the wheel's energy can be released quickly to accomplish a task that demands high power. How much energy is stored in the flywheel
Write an expression for the image distance, di. Numerically, what is the image distance in meters? Is this real or virtual? Numerically, what is the image height, hi?
You have just been given a 3X magnifying lens as a present. Magnifying glasses arc often use to burn ants on a sunny day. If the focal length of the lens is 6, how far from the ant should the lens be held?
The shear modulus of cartilage is 1.2 x 107 N/m2. Suppose a shearing force of magnitude 19 N is applied parallel to the top surface.
One end of a post weighing 400N and with height hrests on a rough horizontal surface with μs=0.30. The upper end is held by a rope fastened to the surface and making an angle of 36.9o with the post. A horizontal force F→ is exerted on the post as s..
A child of mass m comes running towards a (M) marry-go-round (initially at rest) with a velocity v, and jumps on the edge of it. Find how will that change the angular velocity
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