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A violin string of length 40 cm and mass 1.4 g has a frequency of 526 Hz when it is vibrating in its fundamental mode. (a) What is the tension in the string? (b) What is the wavelength of the standing wave on the string? (c) Where must you place your finger to increase the frequency to 676 Hz? cm from the fixed end of the string (from the peg of the violin)
A large water tank has an inlet pipe and an outlet pipe. The inlet pipe has a diameter of 3 cm and is 1 m above the bottom of the tank. What is the velocity of the water in the outlet pipe
you camera lens has alens of 35mm focal length and film that is 36mm wide. how far are you from the airplane
A container holds 2.0 mol of gas. The total average kinetic energy of the gas molecules in the container is equal to the kinetic energy of an 8.0 X 10^-3kg bullet by a speed of 770m/s. What is the Kelvin temperature of the gas?
An airplane flies 200 km due west from city A to city B and then 315 km in the direction of 33.0° north of west from city B to city C.
A 10.0 kg crate slides along a horizontal frictionless surface at a constant speed of 4.0 m/s. What is the speed of the crate when it arrives at the lower surface
A river flows due south with a speed of 2.00m/s{\rm m}/{\rm s} . A man steers a motorboat across the river, Find the horizontal component of the book's velocity
A vertical straight wire carrying an upward 40-A current exerts an attractive force per unit length of 8.8*10-4 N/m on a second parallel wire 5.0cm away. What current (direction and magnitude) flows in the second wire?
Fluid flows at a rate of 2.0 L/s through a pipe with a diameter of 10 cm. The pipe then goes up a height of 5m while narrowing to a diameter of 5 cm. What is the pressure gradient (the change in pressure) from the top to the bottom of the pipe? [hint..
How many electrons should be removed from an initially uncharged spherical conductor of radius 0.100 m to produce a potential of 8.50 kV at the surface
A machine is designed to perform a given amount of work in a given amount of time. Find the power of the second machine
Explain the physics fundamental process that causes the scope ,rod, pith ball, etc to discharge when you touch it. what is conservative force according to the text book of Giancoli
The Earth's gravity pulls on the Moon, causing it to orbit. However, by Newton’s third law, it is known that the Moon exerts a force back on the Earth. Therefore, the Earth should move in response to the Moon. Thus a more accurate statement is, "T..
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