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If the car is at the position of the third maximum after that at point O when it has traveled a distance of y = 400 m northward, what is the wavelength of the signals?
A lens is made of a transparent material having an index of refraction of 1.5. One side of the lens is flat, and the other convex with a radius of curvature of 28 cm. (a) Find the focal length of th
Ball A glances of B at an angle of 30 degree north at its original path. Ball B is pushed along a path perpendicular to the final path of ball A. a. what is the momentum of ball A after the collisio
Connectign the outer surface to ground will result in a change in the surface charge density for the outer surface. What is the value of sigma b after grounding? Use Gauss' Law to find E inside the
You produce an image of the Sun on a screen, using a thin lens whose focal length is 21.6 cm. What is the diameter of the image? (The mean radius of the Sun is 6.96 x 108 m and its mean distance fro
A secondary winding of 2 turns encircles the solenoid at its center. When the primary circuit is opened, the magnetic field of the solenoid becomes zero in 5.20 x 10 ^-2 s.What is the average induce
A race car starts from rest on a circular track of radius 329 m. The car's speed increases at the constant rate of 0.770 m/s2. At the point where the magnitudes of the centripetal and tangential acc
A cylindrical tank of radius R, filled to the top with a liquid, has a small hole in the side, of radius r, at distance d below the surface. Find an expression for the volume flow rate through the h
A steel guitar string has a tension T, length L, and diameter D. Give the multiplicative factor by which the fundamental frequency of the string changes under the following conditions.
A 1.0-cm-diameter pipe widens to 2.0 cm, then narrows to 0.5 cm. Liquid flows through the first segment at a speed of 3.0 m/s.What is the volume flow rate through the pipe?
What gain in gravitational potential energy does the launch accomplish? The mass and radius of the Moon are 7.36 × 1022 kg and 1740 km, respectively.
She then flips the hubcap over and sees another image of her face 10.0 cm in back of the hubcap. What is the radius of curvature of the hubcap?
What speed, vesc, must the astronauts' shuttle attain to escape the Earth? The radius of the Earth is RE = 6.37 × 106 m, the mass of the Earth ME = 5.98 × 1024 kg, the acceleration due to
Please write down the general wave equation in fluid and solid. Show the simple solution of the wave equations, and discuss the wave velocities. Define all the parameters you need for the equations.
A point source generating a spherical sound wave at 50Hz, gives a sound pressure level of 96dB re 20uPa at a distance r=5m from the source. Calculate the amplitude of the particle velocity at r=3m f
If the length of the wire is changed to 1 mile, what is the new force on the wire? If the wire is made of copper with a .125 inch diameter, what would be the voltage drops and the power loss in both
The 2800-turn coil in a dc motor has an area per turn of 1.7 × 10-2 m2. The design for the motor specifies that the magnitude of the maximum torque is 8.7 N·m when the coil is placed in
If the distance from the center of the moon to the surface of the planet is 2.34500 × 105 km and the planet has a radius of 3975 km and a mass of 7.15 × 1022 kg, how long (in days) does it
A 1000 kg car traveling south at 30m/s collides with a 2500 kg truck traveling north at 15 m/s. A) What is the total momentum of the vehicles before the collision.
If the charge is moving at a speed of 3.7 × 104 m/s perpendicular to the magnetic field of the electromagnetic wave, find the maximum magnitudes of the (c) electric and (d) magnetic forces ex
Now assume that you come up and pluck the 5 m section of the string. Calculate the value of the lowest frequency vibration that would occur on the string.
The frequency of the light remains the same, but the speed of the light slows down to 2.3 x 108 m/s. How many wavelengths are there now in one pulse?
Two long wires are seperated by a distance of 33 cm and carry current in the same direction. Wire A carries a current of 1.2 A, wire B carries a current of 0.75 A. Where is the magnetic field is zer
A proton and an electron have the same kinetic energy upon entering a region of constant magnetic field. What is the ratio of the radii of their circular paths?