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The manufacturer wishes to produce a desktop version of the machine. This requires reducing the size of the drum to a length of 30 cm and a diameter of 8.0 cm. The electric field at the drum surface
The electric field just above the surface of the charged drum of a photocopying machine has a magnitude E of 2.3 105 N/C. The drum has a length of 41 cm and a diameter of 13 cm. What is the total c
determine the following. (a) the salmon's acceleration m/s2 upward (b) the magnitude of the force F during this interval N
Give the signs for the velocity and the acceleration of the elevator after the button has been pressed but before the elevator has stopped.
An airboat with mass 4.36 x 102 kg, including the passenger, has an engine that produces a net horizontal force of 8.20 102 N, after accounting for forces of resistance. (a) Find the acceleration of
An astronaut's pack weighs 12.1N when she is on earth but only 3.60N when she is at the surface of an asteroid. What is the mass of the pack on the asteroid?
An astronaut's pack weighs 12.1Nwhen she is on earth but only 3.60 N when she is at the surface of an asteroid. 1. What is the acceleration due to gravity on this asteroid?
During 9.75 seconds a motorcyclist changes his velocity from v1x = -30.3 m/s and v1y = 13.1 m/s to v2x =-26.1 m/s and v2y = 28.1 m/s. Find the components of the motorcycle's average acceleration dur
What horizontal force must Superman apply to the boulder to give it a horizontal acceleration of 11.9m/s^2?
In the Michelson-Morley experiment, the arms of the interferometer were (effectively) 11m each, and the wavelength of the light was 5900A.
At what separation is the electrostatic force between a +10.4 point charge and a +28.2 point charge equal in magnitude to 1.73 ?
What is the acceleration of the other car as measured from your car's reference frame? Give an explanation to your answers.
For a soap solution with index of refraction of 1.09, find the minimum wall thickness that will enhance the reflection of light of wavelength 715 nm in air.
Now you can use your ruler to measure that the central bright circle is 20.2 cm in diameter. What is the diameter of the needle?
Using a 699-nm wavelength laser, you form the diffraction pattern of a 0.111-mm wide slit on a screen. You measure on the screen that the 14th dark fringe is 8.25 cm away from the center of the cent
You illuminate a slit of width 0.0575 mm with light of wavelength 715 nm and observe the resulting diffraction pattern on a screen that is situated 2.29 m from the slit. What is the width, in centim
What is the net force exerted by these two charges on a third charge q3 = 46.5nC placed between q1 and q2 at x= -1.095m ?
A charge q1 = 3.1 × 10^-6 C is placed at the origin. Charge q2 = -6.8 × 10^-6 C is placed on the x-axis, at x = -0.20 m. Where along the positive x-axis can a third charge Q = -8.3 &micr
Two diffraction gratings, A and B, are located at the same distance from the observation screens. Light with the same wavelength ? is used for each. The separation between adjacent principal maxima
How far away from you is this car when its taillights appear to merge into a single spot of light because of the effects of diffraction?
what is the longest visible wavelength (in vacuum) for which the film will appear bright due to constructive interference?
A nonreflective coating (n = 1.34) covers the glass (n = 1.52) of a camera lens. Assuming that the coating prevents reflection of a specific wavelength (vacuum = 523 nm), determine the minimum nonz